.github: init CI workflow

Signed-off-by: Wei Fu <weifu@microsoft.com>

.github/workflows/ci.yml

@@ -0,0 +1,36 @@
+name: CI
+on:
+  pull_request:
+    branches: ['main']
+jobs:
+  linter:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-go@v4
+        with:
+          go-version: "1.20"
+      - name: golangci-lint
+        uses: golangci/golangci-lint-action@v3
+        with:
+          args: --config .golangci.yml
+
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-go@v4
+        with:
+          go-version: "1.20"
+      - name: test
+        run: make test
+
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-go@v4
+        with:
+          go-version: "1.20"
+      - name: build
+        run: make build