added deploy.yml

.github/workflows/deploy.yml

@@ -0,0 +1,34 @@
+name: Deploy to GitHub Pages
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v2
+        with:
+          node-version: "16"
+
+      - name: Install dependencies
+        run: npm install
+
+      - name: Build the app
+        run: npm run build
+        env:
+          REACT_APP_BASE_URL: ${{ secrets.REACT_APP_BASE_URL }}
+          REACT_APP_API_KEY: ${{ secrets.REACT_APP_API_KEY }}
+
+      - name: Deploy to GitHub Pages
+        uses: peaceiris/actions-gh-pages@v3
+        with:
+          personal_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: ./build