[actions] add linter

Author: capcom6

.github/workflows/go.yml

@@ -0,0 +1,59 @@
+name: Go
+
+on:
+  push:
+    branches: [master]
+    paths:
+      - "**.go"
+      - "go.mod"
+      - "go.sum"
+  pull_request:
+    branches: [master]
+    paths:
+      - "**.go"
+      - "go.mod"
+      - "go.sum"
+
+jobs:
+  golangci:
+    name: Lint
+    runs-on: ubuntu-latest
+    steps:
+      # step 1: checkout repository code
+      - name: Checkout code into workspace directory
+        uses: actions/checkout@v4
+
+      # step 2: set up go
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: stable
+
+      # step 3: run golangci-lint
+      - name: Run golangci-lint
+        uses: golangci/golangci-lint-action@v6
+        with:
+          version: latest
+          args: --timeout=5m
+
+  test:
+    name: Test
+    runs-on: ubuntu-latest
+    steps:
+      # step 1: checkout repository code
+      - name: Checkout code into workspace directory
+        uses: actions/checkout@v4
+
+      # step 2: set up go
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: stable
+
+      # step 3: install dependencies
+      - name: Install all Go dependencies
+        run: go mod download
+
+      # step 4: run test
+      - name: Run coverage
+        run: go test -race -coverprofile=coverage.out -covermode=atomic ./...