diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..74570cd
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,25 @@
+name: CI
+
+on:
+  push:
+    branches: [ main, feature/radaev ]
+  pull_request:
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.12'
+
+      - name: Install dependencies
+        run: pip install pytest
+
+      - name: Run tests
+        run: pytest
diff --git a/.github/workflows/github-actions-demo.yml b/.github/workflows/github-actions-demo.yml
deleted file mode 100644
index b00f8e9..0000000
--- a/.github/workflows/github-actions-demo.yml
+++ /dev/null
@@ -1,18 +0,0 @@
-name: GitHub Actions Demo
-run-name: ${{ github.actor }} is testing out GitHub Actions 🚀
-on: [push]
-jobs:
-  Explore-GitHub-Actions:
-    runs-on: ubuntu-latest
-    steps:
-      - run: echo "🎉 The job was automatically triggered by a ${{ github.event_name }} event."
-      - run: echo "🐧 This job is now running on a ${{ runner.os }} server hosted by GitHub!"
-      - run: echo "🔎 The name of your branch is ${{ github.ref }} and your repository is ${{ github.repository }}."
-      - name: Check out repository code
-        uses: actions/checkout@v5
-      - run: echo "💡 The ${{ github.repository }} repository has been cloned to the runner."
-      - run: echo "🖥️ The workflow is now ready to test your code on the runner."
-      - name: List files in the repository
-        run: |
-          ls ${{ github.workspace }}
-      - run: echo "🍏 This job's status is ${{ job.status }}."
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
new file mode 100644
index 0000000..3e6afc8
--- /dev/null
+++ b/.github/workflows/release.yml
@@ -0,0 +1,22 @@
+name: Release
+
+on:
+  push:
+    tags:
+      - 'v*.*.*'
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Build project
+        run: echo "Собираем проект..."
+
+      - name: Create GitHub Release
+        uses: softprops/action-gh-release@v2
+        with:
+          name: Release ${{ github.ref_name }}
+          body: Автоматический релиз новой версии
diff --git a/.github/workflows/test-pipeline.yml b/.github/workflows/test-pipeline.yml
deleted file mode 100644
index b16d2ae..0000000
--- a/.github/workflows/test-pipeline.yml
+++ /dev/null
@@ -1,18 +0,0 @@
-name: Test pipeline
-run-name: Testing our repository
-on: [push]
-jobs:
-  Build:
-    runs-on: ubuntu-latest
-    steps:
-      - run: echo "🎉 The job was automatically triggered by a ${{ github.event_name }} event."
-      - run: echo "🐧 This job is now running on a ${{ runner.os }} server hosted by GitHub!"
-      - run: echo "🔎 The name of your branch is ${{ github.ref }} and your repository is ${{ github.repository }}."
-      - name: Check out repository code
-        uses: actions/checkout@v5
-      - run: echo "💡 The ${{ github.repository }} repository has been cloned to the runner."
-      - run: echo "🖥️ The workflow is now ready to test your code on the runner."
-      - name: List files in the repository
-        run: |
-          ls ${{ github.workspace }}
-      - run: echo "🍏 This job's status is ${{ job.status }}."
diff --git a/design_patterns/abstract_factory.py b/design_patterns/abstract_factory.py
new file mode 100644
index 0000000..d5ea41c
--- /dev/null
+++ b/design_patterns/abstract_factory.py
@@ -0,0 +1,15 @@
+from abc import ABC, abstractmethod
+
+class Button(ABC):
+    @abstractmethod
+    def paint(self): pass
+
+class WinButton(Button):
+    def paint(self): return "Windows button"
+
+class GUIFactory(ABC):
+    @abstractmethod
+    def create_button(self): pass
+
+class WinFactory(GUIFactory):
+    def create_button(self): return WinButton()
diff --git a/design_patterns/builder.py b/design_patterns/builder.py
new file mode 100644
index 0000000..24a318d
--- /dev/null
+++ b/design_patterns/builder.py
@@ -0,0 +1,19 @@
+class Car:
+    def __init__(self):
+        self.engine = None
+        self.seats = None
+
+class CarBuilder:
+    def __init__(self):
+        self.car = Car()
+    
+    def set_engine(self, engine):
+        self.car.engine = engine
+        return self
+    
+    def set_seats(self, seats):
+        self.car.seats = seats
+        return self
+    
+    def build(self):
+        return self.car
diff --git a/design_patterns/factory_method.py b/design_patterns/factory_method.py
new file mode 100644
index 0000000..df5208b
--- /dev/null
+++ b/design_patterns/factory_method.py
@@ -0,0 +1,18 @@
+from abc import ABC, abstractmethod
+
+class Transport(ABC):
+    @abstractmethod
+    def deliver(self): pass
+
+class Truck(Transport):
+    def deliver(self): return "Доставка грузовиком"
+
+class Logistics(ABC):
+    @abstractmethod
+    def create_transport(self): pass
+    
+    def plan(self): 
+        return self.create_transport().deliver()
+
+class RoadLogistics(Logistics):
+    def create_transport(self): return Truck()
diff --git a/design_patterns/singleton.py b/design_patterns/singleton.py
new file mode 100644
index 0000000..7a835a3
--- /dev/null
+++ b/design_patterns/singleton.py
@@ -0,0 +1,6 @@
+class Singleton:
+    _instance = None
+    def __new__(cls):
+        if not cls._instance:
+            cls._instance = super().__new__(cls)
+        return cls._instance
diff --git a/main.py b/main.py
new file mode 100644
index 0000000..3bddbbe
--- /dev/null
+++ b/main.py
@@ -0,0 +1,2 @@
+def hello():
+    return "Hello, CI/CD!"
diff --git a/patterns2/adapter.py b/patterns2/adapter.py
new file mode 100644
index 0000000..9ff9698
--- /dev/null
+++ b/patterns2/adapter.py
@@ -0,0 +1,36 @@
+cat > adapter.py << 'EOF'
+class EuropeanSocket:
+    def voltage(self):
+        return 220
+    
+    def plug(self):
+        return "Европейская вилка"
+
+class AmericanSocket:
+    def voltage(self):
+        return 110
+    
+    def plug_type(self):
+        return "Американская вилка"
+
+class Adapter:
+    def __init__(self, socket):
+        self.socket = socket
+    
+    def voltage(self):
+        return self.socket.voltage()
+    
+    def plug(self):
+        if hasattr(self.socket, 'plug_type'):
+            return f"Адаптер для {self.socket.plug_type()}"
+        return self.socket.plug()
+
+# Пример
+if __name__ == "__main__":
+    eu_socket = EuropeanSocket()
+    print(f"Европа: {eu_socket.voltage()}V, {eu_socket.plug()}")
+    
+    us_socket = AmericanSocket()
+    adapter = Adapter(us_socket)
+    print(f"США через адаптер: {adapter.voltage()}V, {adapter.plug()}")
+EOF
\ No newline at end of file
diff --git a/patterns2/bridge.py b/patterns2/bridge.py
new file mode 100644
index 0000000..6c977a7
--- /dev/null
+++ b/patterns2/bridge.py
@@ -0,0 +1,39 @@
+cat > bridge.py << 'EOF'
+class Device:
+    def turn_on(self):
+        pass
+    
+    def turn_off(self):
+        pass
+
+class TV(Device):
+    def turn_on(self):
+        return "TV включен"
+    
+    def turn_off(self):
+        return "TV выключен"
+
+class Radio(Device):
+    def turn_on(self):
+        return "Radio включен"
+    
+    def turn_off(self):
+        return "Radio выключен"
+
+class Remote:
+    def __init__(self, device):
+        self.device = device
+    
+    def toggle_power(self):
+        pass
+
+class BasicRemote(Remote):
+    def toggle_power(self):
+        return self.device.turn_on()
+
+# Пример
+if __name__ == "__main__":
+    tv = TV()
+    remote = BasicRemote(tv)
+    print(remote.toggle_power())
+EOF
\ No newline at end of file
diff --git a/patterns2/chain.py b/patterns2/chain.py
new file mode 100644
index 0000000..26c290c
--- /dev/null
+++ b/patterns2/chain.py
@@ -0,0 +1,41 @@
+cat > chain_of_responsibility.py << 'EOF'
+class Handler:
+    def __init__(self):
+        self.next = None
+    
+    def set_next(self, handler):
+        self.next = handler
+        return handler
+    
+    def handle(self, request):
+        if self.next:
+            return self.next.handle(request)
+        return None
+
+class TechnicalSupport(Handler):
+    def handle(self, request):
+        if request == "�����������":
+            return "������������ ������ ��������"
+        return super().handle(request)
+
+class BillingSupport(Handler):
+    def handle(self, request):
+        if request == "�������":
+            return "������� ������ ��������"
+        return super().handle(request)
+
+class GeneralSupport(Handler):
+    def handle(self, request):
+        return "����� ��������� ������ ��������"
+
+# ������
+if __name__ == "__main__":
+    tech = TechnicalSupport()
+    billing = BillingSupport()
+    general = GeneralSupport()
+    
+    tech.set_next(billing).set_next(general)
+    
+    print(tech.handle("�����������"))
+    print(tech.handle("�������"))
+EOF
\ No newline at end of file
diff --git a/patterns2/iterator.py b/patterns2/iterator.py
new file mode 100644
index 0000000..22be342
--- /dev/null
+++ b/patterns2/iterator.py
@@ -0,0 +1,32 @@
+cat > iterator.py << 'EOF'
+class BookCollection:
+    def __init__(self):
+        self.books = []
+    
+    def add_book(self, book):
+        self.books.append(book)
+    
+    def __iter__(self):
+        return BookIterator(self.books)
+
+class BookIterator:
+    def __init__(self, books):
+        self.books = books
+        self.index = 0
+    
+    def __next__(self):
+        if self.index < len(self.books):
+            book = self.books[self.index]
+            self.index += 1
+            return book
+        raise StopIteration
+
+# ������
+if __name__ == "__main__":
+    library = BookCollection()
+    library.add_book("����� � ���")
+    library.add_book("������������ � ���������")
+    
+    for book in library:
+        print(f"�����: {book}")
+EOF
\ No newline at end of file
diff --git a/patterns2/proxy.py b/patterns2/proxy.py
new file mode 100644
index 0000000..3a21d49
--- /dev/null
+++ b/patterns2/proxy.py
@@ -0,0 +1,32 @@
+cat > proxy.py << 'EOF'
+class Image:
+    def display(self):
+        pass
+
+class RealImage(Image):
+    def __init__(self, filename):
+        self.filename = filename
+        self.load_from_disk()
+    
+    def load_from_disk(self):
+        print(f"�������� {self.filename}")
+    
+    def display(self):
+        print(f"����� {self.filename}")
+
+class ProxyImage(Image):
+    def __init__(self, filename):
+        self.filename = filename
+        self.real_image = None
+    
+    def display(self):
+        if not self.real_image:
+            self.real_image = RealImage(self.filename)
+        self.real_image.display()
+
+# ������
+if __name__ == "__main__":
+    image = ProxyImage("photo.jpg")
+    image.display()  # ��������� � ����������
+    image.display()  # ������ ���������� (��� ���������)
+EOF
\ No newline at end of file
diff --git a/patterns2/strategy.py b/patterns2/strategy.py
new file mode 100644
index 0000000..52a5f77
--- /dev/null
+++ b/patterns2/strategy.py
@@ -0,0 +1,37 @@
+cat > strategy.py << 'EOF'
+class PaymentStrategy:
+    def pay(self, amount):
+        pass
+
+class CreditCardPayment(PaymentStrategy):
+    def pay(self, amount):
+        return f"Оплата {amount} руб. кредитной картой"
+
+class PayPalPayment(PaymentStrategy):
+    def pay(self, amount):
+        return f"Оплата {amount} руб. через PayPal"
+
+class ShoppingCart:
+    def __init__(self):
+        self.items = []
+        self.strategy = None
+    
+    def set_payment_strategy(self, strategy):
+        self.strategy = strategy
+    
+    def add_item(self, item):
+        self.items.append(item)
+    
+    def checkout(self):
+        total = sum(self.items)
+        return self.strategy.pay(total)
+
+# Пример
+if __name__ == "__main__":
+    cart = ShoppingCart()
+    cart.add_item(100)
+    cart.add_item(200)
+    
+    cart.set_payment_strategy(CreditCardPayment())
+    print(cart.checkout())
+EOF
\ No newline at end of file
diff --git a/radaev/README.md b/radaev/README.md
new file mode 100644
index 0000000..dfb2a4a
Binary files /dev/null and b/radaev/README.md differ
diff --git a/test_file.txt b/test_file.txt
new file mode 100644
index 0000000..3a37543
--- /dev/null
+++ b/test_file.txt
@@ -0,0 +1 @@
+# Test for CI
diff --git a/test_main.py b/test_main.py
new file mode 100644
index 0000000..c49be78
--- /dev/null
+++ b/test_main.py
@@ -0,0 +1,4 @@
+from main import hello
+
+def test_hello():
+    assert hello() == "Hello, CI/CD!"