Add GitHub Actions workflow for build and style check

.github/workflows/build.yml

@@ -0,0 +1,35 @@
+name: Build & Style Check
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node-version: [18.x]
+        # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
+
+    steps:
+    - uses: actions/checkout@v3
+    - name: Use Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v3
+      with:
+        node-version: ${{ matrix.node-version }}
+        cache: 'npm'
+# setup yarn
+    - name: Setup Yarn
+      run: npm install -g yarn
+# install dependencies
+    - name: Install Dependencies
+      run: yarn install
+# build
+    - name: Build
+      run: yarn build
+# formatting check
+    - name: Formatting Check
+      run: yarn format:check