Iris part of github actions beta program: workflow

Former-commit-id: 2a0af2f541b37b7b87b0b686fa27a8ab04e4682e

.github/workflows/go.yml

@@ -0,0 +1,32 @@
+name: Go
+on:
+  push:
+    branches:
+    - master
+jobs:
+
+  build:
+    name: Build
+    runs-on:
+    - ubuntu-latest
+    - macOS-latest
+    - windows-latest
+    steps:
+
+    - name: Set up Go 1.12
+      uses: actions/setup-go@v1
+      with:
+        version: 1.12
+      id: go
+
+    - name: Check out code into the Go module directory
+      use: actions/checkout@master
+      path: ${{ go.module-path }}
+
+    - name: Get dependencies
+      working-directory: ${{ go.module-path }}
+      run: |
+        go get -v -t -d ./...
+    - name: Build
+      working-directory: ${{ go.module-path }}
+      run: go build -v .