feat: add github workflow

.github/workflows/github-ci.yaml

@@ -0,0 +1,30 @@
+name: CI
+
+on:
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v2
+
+    - name: Setup Node.js
+      uses: actions/setup-node@v2
+      with:
+        node-version: '16.x'
+
+    - name: Install yarn
+      run: npm i --global yarn
+
+    - name: Install npm packages
+      run: yarn install
+
+    - name: Build assets
+      run: yarn build
+
+    - name: Run test
+      run: yarn test -- --watchAll=false