add checks workflow

Author: Markus Schwer

.github/workflows/checks.yaml

@@ -0,0 +1,30 @@
+name: Checks
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+defaults:
+  run:
+    shell: bash
+
+env:
+  GO_VERSION: "1.24.1"
+  GOLANG_CI_VERSION: v1.64.7
+
+jobs:
+  lint:
+    name: Lint files
+    runs-on: 'ubuntu-latest'
+    steps:
+      - uses: actions/setup-go@v5
+        with:
+          go-version: ${{ env.GO_VERSION }}
+          cache: false
+      - uses: actions/checkout@v4
+      - name: lint
+        uses: golangci/golangci-lint-action@v6
+        with:
+          version: ${{ env.GOLANG_CI_VERSION }}