add golangci-lint config + action

.github/workflows/golang-ci.yml

@@ -0,0 +1,30 @@
+name: CI
+
+on:
+  push:
+    branches: ['main']
+    paths:
+      - '**.go'
+  pull_request:
+    branches: ['main']
+    paths:
+      - '**.go'
+jobs:
+  lint:
+    name: Lint
+    runs-on: ubuntu-latest
+    if: github.event_name == 'pull_request'
+    timeout-minutes: 3
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 1
+      - name: Setup Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: '1.24'
+      - name: golangci-lint
+        uses: golangci/golangci-lint-action@v9
+        with:
+          version: v2.6.0
+          args: --config .golangci.yml