Add a GitHub action for running go build and testing.

.github/workflows/go.yml

@@ -0,0 +1,61 @@
+name: Go
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+    name: Build
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        go: ['1.12', '1.13', '1.14']
+    steps:
+
+    - name: Set up Go ${{ matrix.go }}
+      uses: actions/setup-go@v2
+      with:
+        go-version: ${{ matrix.go }}
+      id: go
+
+    - name: Check out code into the Go module directory
+      uses: actions/checkout@v2
+
+    - name: Get dependencies
+      run: |
+        go get -v -t -d ./...
+        if [ -f Gopkg.toml ]; then
+            curl https://raw.githubusercontent.com/golang/dep/master/install.sh | sh
+            dep ensure
+        fi
+
+    - name: Build
+      run: go build -v ./...
+
+    - name: Test
+      run: go test -v -coverprofile=profile.cov  ./... 
+
+    - name: Race Test
+      run: go test -race ./...
+
+    - name: Send Coverage
+      uses: shogo82148/actions-goveralls@v1
+      with:
+        path-to-profile: profile.cov
+        parallel: true
+
+    - name: Check gofmt
+      run: diff -u <(echo -n) <(gofmt -d -s .)
+
+  finish:
+    needs: build
+    runs-on: ubuntu-latest
+    steps:
+      - uses: shogo82148/actions-goveralls@v1
+        with:
+          parallel-finished: true
+
+