ci: add Gitea Actions deploy workflow

Replaces GitHub Actions — uses self-hosted vps-runner with node:22.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

.gitea/workflows/deploy.yml

@@ -0,0 +1,32 @@
+name: Deploy to VPS
+
+on:
+  push:
+    branches: [main]
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Build site
+        run: npm run build
+
+      - name: Setup SSH key
+        run: |
+          mkdir -p ~/.ssh
+          echo "${{ secrets.VPS_SSH_PRIVATE_KEY }}" > ~/.ssh/deploy_key
+          chmod 600 ~/.ssh/deploy_key
+          ssh-keyscan -H "${{ secrets.VPS_HOST }}" >> ~/.ssh/known_hosts
+
+      - name: Deploy via rsync
+        run: |
+          rsync -avz --delete \
+            -e "ssh -i ~/.ssh/deploy_key" \
+            ./dist/ \
+            ${{ secrets.VPS_USER }}@${{ secrets.VPS_HOST }}:/opt/stacks/carlospalanca/html/