Add CI workflow for testing on M1 Mac

.github/workflows/main.yml

@@ -0,0 +1,38 @@
+name: CI Test
+
+on:
+  pull_request:
+    branches: [ "main" ]
+  push:
+    branches: [ "main" ]
+
+jobs:
+  test-apple-silicon:
+    name: gtest on M1 Mac (CPU)
+    runs-on: macos-15
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.10'
+
+      - name: Install Build Dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install nanobind cmake
+
+      - name: Build Backend (CMake)
+        run: |
+          mkdir build
+          cd build
+          cmake .. -DBUILD_TESTS=ON -DCMAKE_BUILD_TYPE=Release
+          cmake --build .
+
+      - name: Run Tests
+        run: |
+          cd build
+          ./tests/forge_tests

README.md

@@ -1,5 +1,6 @@
 ![GitHub code size in bytes](https://img.shields.io/github/languages/code-size/kellen-sun/Forge.svg)
-<!---Add another badge here about build passing? and version number? software license--->
+[![CI Build](https://github.com/kellen-sun/Forge/actions/workflows/main.yml/badge.svg)](https://github.com/kellen-sun/Forge/actions/workflows/main.yml)
+<!---Add another badge here about version number? software license--->
 # Forge
 > Forge crafts Metal: an Array framework with eager execution and JIT graph compilation for Apple Silicon GPUs