Add a CI pipeline with tests and linting

.github/workflows/tests.yaml

@@ -0,0 +1,47 @@
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - "**"
+
+concurrency:
+  group: golangci-lint-${{ github.ref }}
+  cancel-in-progress: true
+
+permissions:
+  contents: read
+  pull-requests: read
+
+jobs:
+  test:
+    name: test
+    runs-on: ubuntu-latest
+    steps:
+      - name: checkout
+        uses: actions/checkout@v3
+
+      - uses: actions/setup-go@v4
+        with:
+          go-version: "^1.22.x"
+
+      - name: tests
+        run: |
+          go test ./... -race -cover
+
+  lint:
+    name: lint
+    runs-on: ubuntu-latest
+    steps:
+      - name: checkout
+        uses: actions/checkout@v3
+
+      - uses: actions/setup-go@v4
+        with:
+          go-version: "^1.22.x"
+      - name: golangci-lint
+        uses: golangci/golangci-lint-action@v3
+        with:
+          version: v1.56
+          args: --timeout=5m --config=.golangci.yaml --issues-exit-code=0