ci: set up build & lint workflow

Signed-off-by: NotAShelf <raf@notashelf.dev>
Change-Id: I98f116b592535a5a1b97563b8e9d26da6a6a6964

.github/workflows/go.yml

@@ -0,0 +1,44 @@
+name: Build & Test with Go
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v6
+
+      - name: Set up Go
+        uses: actions/setup-go@v6
+        with:
+          go-version-file: go.mod
+          cache: true
+
+      - name: Download dependencies
+        run: go mod download
+
+      - name: Run tests
+        run: go test -v -race ./...
+
+      - name: Build
+        run: go build . -o watchdog
+
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v6
+
+      - name: Set up Go
+        uses: actions/setup-go@v6
+        with:
+          go-version-file: go.mod
+          cache: true
+
+      - name: Run golangci-lint
+        uses: golangci/golangci-lint-action@v9
+        with:
+          version: latest