Configure Github Actions to automatically run tests

.github/workflows/main.yml

@@ -0,0 +1,21 @@
+name: Go
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up Go
+        uses: actions/setup-go@v2
+        with:
+          go-version: 1.17
+      - name: Build
+        run: go build -v ./...
+      - name: Test
+        run: go test -v ./...