feat: workflow

.github/workflow/codecov.yml

@@ -0,0 +1,20 @@
+name: Main workflow
+on: [push, pull_request]
+jobs:
+  run:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Set up Node 20
+        uses: actions/setup-node@v3
+        with:
+          node-version: 20
+      - name: Install dependencies
+        run: cd server && npm install
+      - name: Run tests and collect coverage
+        run: cd server && npm run test:cov
+      - name: Upload coverage to Codecov
+        uses: codecov/codecov-action@v4-beta
+        env:
+          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}