Add Go GitHub workflow

.github/workflows/go.yml

@@ -0,0 +1,19 @@
+name: Go
+on:
+  push:
+    branches: [ "master" ]
+  pull_request:
+    branches: [ "master" ]
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+    - name: Set up Go
+      uses: actions/setup-go@v4
+      with:
+        go-version: '1.20'
+    - name: Test
+      run: go test -v ./...
+    - name: Build
+      run: go build -v ./...