add test workflow for go

.github/workflows/go-test.yaml

@@ -0,0 +1,46 @@
+name: Go Test
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    services:
+      postgres:
+        image: postgres:17.2
+        ports:
+          - 5433:5432
+        env:
+          POSTGRES_DB: maek_test
+          POSTGRES_USER: maek
+          POSTGRES_PASSWORD: passwd
+        options: >-
+          --health-cmd="pg_isready -U maek"
+          --health-interval=10s
+          --health-timeout=5s
+          --health-retries=5
+
+    env:
+      CONFIG_FILE: ${{ github.workspace }}/config/config.toml
+      CGO_ENABLED: '0'
+
+    steps:
+      - name: Check out code
+        uses: actions/checkout@v4
+
+      - name: Set up Go 1.23.1
+        uses: actions/setup-go@v5
+        with:
+          go-version: 1.23.1
+
+      - name: Install dependencies
+        run: go mod tidy
+
+      - name: Run tests
+        run: go test -v ./...