add github workflows

.github/workflows/deploy.yml

@@ -0,0 +1,51 @@
+name: Build and Deploy to Github Pages
+
+on:
+  # Runs on pushes targeting the default branch
+  push:
+    branches: ["main"]
+
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+
+# Sets permissions of the GITHUB_TOKEN to allow deployment to GitHub Pages
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+# Allow one concurrent deployment
+concurrency:
+  group: "pages"
+  cancel-in-progress: true
+
+jobs:
+  # Single deploy job since we're just deploying
+  deploy:
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node-version: [18.x]
+        # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v3
+    - name: Use Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v3
+      with:
+        node-version: ${{ matrix.node-version }}
+        cache: 'yarn'
+    - name: Install dependencies
+      run: yarn install --frozen-lockfile
+    - name: Build
+      run: yarn build
+    - name: Upload artifact
+      uses: actions/upload-pages-artifact@v1
+      with:
+        path: './build'
+    - name: Deploy to GitHub Pages
+      id: deployment
+      uses: actions/deploy-pages@v1