Add GitHub Actions workflow for deploying to GitHub Pages (#6)

---------

Co-authored-by: copilot-swe-agent[bot] <[email protected]>
Co-authored-by: renbaoshuo <[email protected]>

Author: Copilot

.github/workflows/deploy.yml

@@ -0,0 +1,54 @@
+name: Deploy to GitHub Pages
+
+on:
+  push:
+    branches:
+      - main
+  workflow_dispatch:
+
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+concurrency:
+  group: "pages"
+  cancel-in-progress: false
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+          cache: 'npm'
+
+      - name: Install dependencies
+        run: npm install
+
+      - name: Build
+        run: npm run build
+
+      - name: Setup Pages
+        uses: actions/configure-pages@v5
+
+      - name: Upload artifact
+        uses: actions/upload-pages-artifact@v3
+        with:
+          path: './dist'
+
+  deploy:
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    runs-on: ubuntu-latest
+    needs: build
+    steps:
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v4

README.md

@@ -17,6 +17,28 @@ npm run build     # Build the project
 npm run preview   # Preview the production build
 ```
 
+## Deployment
+
+This project is configured to automatically deploy to GitHub Pages when changes are pushed to the `main` branch.
+
+### Setup Instructions
+
+To enable GitHub Pages deployment:
+
+1. Go to your repository **Settings** → **Pages**
+2. Under **Source**, select **GitHub Actions**
+3. The workflow will automatically run on every push to the `main` branch
+
+The site will be available at: `https://<username>.github.io/<repository-name>/`
+
+### Manual Deployment
+
+You can also trigger a deployment manually:
+
+1. Go to **Actions** tab in your repository
+2. Select the **Deploy to GitHub Pages** workflow
+3. Click **Run workflow**
+
 ## Author
 
 **FzuHelper Website** © [Baoshuo](https://github.com/renbaoshuo).<br>