Add build and test Action

.github/workflows/build-and-test.yaml

@@ -0,0 +1,20 @@
+name: Build and test
+on: [push, pull_request]
+jobs:
+  build_and_test:
+    strategy:
+      matrix:
+        go-version: [1.14.x]
+        platform: [ubuntu-latest, macos-latest, windows-latest]
+    runs-on: ${{ matrix.platform }}
+    steps:
+    - name: Install Go
+      uses: actions/setup-go@v1
+      with:
+        go-version: ${{ matrix.go-version }}
+    - name: Checkout code
+      uses: actions/checkout@v1
+    - name: Build
+      run: go build -v ./...
+    - name: Test
+      run: go test -v -p 1 ./...