add build action

.github/workflows/go.yml

@@ -0,0 +1,30 @@
+name: Go
+
+on:
+  push:
+    branches: [ v2dev ]
+  pull_request:
+    branches: [ v2dev ]
+
+jobs:
+  test-build:
+    name: Test & Build
+    strategy:
+      matrix:
+        go-version: [1.13.x, 1.14.x]
+        platform: [ubuntu-latest, macos-latest, windows-latest]
+    runs-on: ${{ matrix.platform }}
+    steps:
+    - name: setup go
+      uses: actions/setup-go@v2
+      with:
+        go-version: ${{ matrix.go-version }}
+      id: go
+
+    - name: checkout
+      uses: actions/checkout@v2
+
+    - name: test
+      run: |
+        go mod tidy -v
+        go test -race ./...