Add coverage report to CI checks

Signed-off-by: amaslennikov <[email protected]>

.github/workflows/coverage.yml

@@ -0,0 +1,32 @@
+name: Go Test Coverage with Coveralls
+
+on: [pull_request, push]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Check out code
+        uses: actions/checkout@v2
+
+      - name: Set up Go
+        uses: actions/setup-go@v2
+        with:
+          go-version: '^1.21'  # Set this to your Go version
+
+      - name: Run tests with coverage
+        run: |
+          make test-coverage
+
+      - name: Generate LCOV report
+        run: |
+          go install github.com/jandelgado/gcov2lcov@latest
+          gcov2lcov -infile=network-operator.cover -outfile=coverage.lcov
+
+      - name: Upload coverage to Coveralls
+        uses: coverallsapp/[email protected]
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          path-to-lcov: coverage.lcov
+          flag-name: run-flags-1  # Optional: Custom flag name for parallel builds