Auto-deploy to gh-pages 🤖.

.github/workflows/deploy.yml

@@ -0,0 +1,41 @@
+name: Deploy to GitHub Pages
+
+on:
+  # Trigger the workflow every time you push to the `main` branch.
+  # Using a different branch name? Replace `main` with your branch’s name.
+  push:
+    branches: [main]
+  # Allows you to run this workflow manually from the Actions tab on GitHub.
+  workflow_dispatch:
+
+# Allow this job to clone the repo and create a page deployment.
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+jobs:
+  build-deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout your repository using git
+        uses: actions/checkout@v4
+      - run: node --version
+      - name: Cache node modules
+        uses: actions/cache@v1
+        with:
+          path: ~/.npm
+          key: ${{ runner.os }}-npm-${{ hashFiles('**/package-lock.json') }}
+          restore-keys: |
+            ${{ runner.os }}-npm-
+      - name: Install dependencies
+        run: npm ci
+      - name: Run the tests
+        run: npm run test --if-present
+      - name: Build the app
+        run: npm run build --if-present
+      - name: Deploy to GitHub Pages
+        uses: peaceiris/actions-gh-pages@v4
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: ./dist