Add github actions for go fmt, test, build

Signed-off-by: Marina Moore <[email protected]>

.github/workflow/build.yml

@@ -0,0 +1,29 @@
+name: Build
+
+on: [push, pull_request]
+
+jobs:
+
+  build:
+    strategy:
+      matrix:
+        go: ['1.17.x', '1.16.x', '1.15.x']
+        os: [ubuntu-latest, macos-latest]
+      fail-fast: false
+    runs-on: ${{ matrix.os }}
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: Set up Go
+      uses: actions/setup-go@v2
+      with:
+        go-version: ${{ matrix.go }}
+
+    - name: Format
+      run: go fmt ./...
+
+    - name: Build
+      run: go build -v ./...
+
+    - name: Test
+      run: go test -v ./...