add unit tests to ci (#928)

Author: dklimpel

.github/workflows/golangci-lint.yaml renamed to .github/workflows/golangci.yaml

@@ -6,21 +6,36 @@ on:
     branches:
       - master
       - "/^v\\d+\\.\\d+(\\.\\d+)?(-\\S*)?$/"
+    paths-ignore:
+      - "**/*.md"
 
 permissions:
   contents: read
   pull-requests: read
 
 jobs:
-  golangci:
+  lint:
     name: lint
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-go@v5
         with:
           go-version-file: go.mod
+
       - name: golangci-lint
         uses: golangci/golangci-lint-action@v6
         with:
           version: v1.59
+
+  coverage:
+    name: coverage
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-go@v5
+        with:
+          go-version-file: go.mod
+
+      - name: Unit tests and coverage
+        run: make cov