feat: add deployment workflow and update site content for Gitea Pages

.gitea/workflows/deploy-pages.yml

@@ -0,0 +1,37 @@
+name: Deploy to Pages
+run-name: ${{ gitea.actor }} is deploying to Gitea Pages 📄
+on:
+  push:
+    branches: [main]
+    paths:
+      - 'site/**'  # Only trigger when site files change
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout main branch
+        uses: actions/checkout@v4
+        with:
+          path: main
+      
+      - name: Checkout pages branch
+        uses: actions/checkout@v4
+        with:
+          ref: pages
+          path: pages
+      
+      - name: Copy site files
+        run: |
+          # Copy site files from main to pages
+          cp -r main/site/* pages/
+          
+      - name: Deploy to pages branch
+        run: |
+          cd pages
+          git config user.name "Gitea Actions"
+          git config user.email "actions@gitea.local"
+          
+          git add .
+          git diff --staged --quiet || git commit -m "Deploy from main branch: ${{ gitea.sha }}"
+          git push