Merge pull request #38 from phires/codecov

Addition of codecov

.github/workflows/ci.yml

@@ -0,0 +1,20 @@
+name: Test and coverage
+
+on: [push, pull_request]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-go@v5
+        with:
+          go-version: 'stable'
+      - name: Gather dependencies
+        run: go mod download
+      - name: Run coverage
+        run: go test -p 1 -coverprofile=coverage.txt -covermode=atomic ./...
+      - name: Upload coverage to Codecov
+        uses: codecov/codecov-action@v4
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}