Set up ESLint and Prettier

.github/workflows/eslint.yml

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+name: ESLint
+
+on: [pull_request]
+
+jobs:
+  check:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v5
+
+      - name: Install NPM dependencies
+        run: |
+          npm ci
+          npm install -g typescript
+
+      - name: Run ESlint
+        run: |
+          cd rt
+          npx eslint src

.github/workflows/prettier.yml

@@ -0,0 +1,19 @@
+name: Prettier
+
+on: [pull_request]
+
+jobs:
+  format:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v5
+
+      - name: Install NPM dependencies
+        run: |
+          npm ci
+          npm install -g typescript
+
+      - name: Run Prettier
+        run: |
+          cd rt
+          npx prettier --check src