enable github actions

.github/workflows/pr.yml

@@ -0,0 +1,30 @@
+name: PR sanity check
+
+on: pull_request
+
+jobs:
+  prcheck:
+    name: PR sanity check
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Setup Go
+      uses: actions/setup-go@v2
+      with:
+        go-version: '1.18'
+    - name: Install dependencies
+      run: |
+        go version
+        go get -u golang.org/x/lint/golint
+    - name: Run vet & lint
+      run: |
+        go vet .
+        golint .
+    - name: golangci-lint
+        uses: golangci/golangci-lint-action@v3
+        with:
+          version: latest
+    # # Run testing on the code
+    # - name: Run testing
+    #   run: cd test && go test -v