Add .github/workflows/deploy.yml.

Author: ChenPi11

.github/workflows/deploy.yml

@@ -0,0 +1,58 @@
+name: Deploy the website.
+
+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: ⬇️ Check out the repository
+        uses: actions/checkout@v4
+
+      - name: 📁 Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 23
+
+      - name: 📁 Setup Pages
+        uses: actions/configure-pages@v5
+
+      - name: 📁 Install dependencies
+        run: |
+          npm ci
+
+      - name: Build with Vue
+        run: |
+          npm run build
+
+      - 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