ch: Setup CI workflow for testing, coverage reporting, building and l…

…inting

.github/workflows/ci.yml

@@ -0,0 +1,33 @@
+name: knights-ecomm-be CI
+
+on: [push, pull_request]
+
+jobs:
+  build-lint-test-coverage:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Use Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: "20.x"
+
+      - name: Install dependencies
+        run: npm install
+
+      - name: Run ESLint and Prettier
+        run: npm run lint
+
+      - name: Build project
+        run: npm run build --if-present
+
+      - name: Run tests
+        run: npm test
+
+      - name: Upload coverage report to Coveralls
+        uses: coverallsapp/[email protected]
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}