add pr gh action

Author: pcj

.github/workflows/pr.yaml

@@ -0,0 +1,30 @@
+name: PR
+
+on:
+  pull_request:
+    branches:
+      - master
+
+jobs:
+  check:
+    name: Vet, Build, Test
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Check out code
+        uses: actions/checkout@v2
+
+      - name: Set up Go 1.16
+        uses: actions/setup-go@v2
+        with:
+          go-version: 1.16
+        id: go
+
+      - name: Vet
+        run: go vet ./...
+
+      - name: Build
+        run: go build ./...
+
+      - name: Test
+        run: go test ./...