feat: add GitHub Actions quality checks workflow

.github/workflows/quality.yml

@@ -0,0 +1,39 @@
+name: Quality Checks
+
+on:
+  pull_request:
+    branches: [main, develop]
+  push:
+    branches: [main, develop]
+
+jobs:
+  quality:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+          cache: 'npm'
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Run type checking
+        run: npx tsc --noEmit
+
+      - name: Run linting
+        run: npm run lint
+
+      - name: Run formatting check
+        run: npx prettier --check packages/*/src/**/*.ts
+
+      - name: Run tests
+        run: npm test
+
+      - name: Build packages
+        run: npm run build