Create go.yml

.github/workflows/go.yml

@@ -0,0 +1,48 @@
+name: Go
+
+on:
+  push:
+    branches: [ 3.0 ]
+  pull_request:
+    branches: [ 3.0 ]
+
+jobs:
+
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: Set up Go
+      uses: actions/setup-go@v2
+      with:
+        go-version: 1.16
+
+    - name: Build
+      run: go build -o linux
+
+  build2:
+    runs-on: windows-latest
+    steps:
+    - uses: actions/checkout@v2
+    
+    - name: Set up Go
+      uses: actions/setup-go@v2
+      with:
+        go-version: 1.16
+
+    - name: Build
+      run: go build -o windows
+
+  build3:
+    runs-on: mac-latest
+    steps:
+    - uses: actions/checkout@v2
+    
+    - name: Set up Go
+      uses: actions/setup-go@v2
+      with:
+        go-version: 1.16
+
+    - name: Build
+      run: go build -o mac