Add robust themes, drag-drop layout, and manual screenshot controls

server.js

@@ -11,7 +11,7 @@ const DIST_DIR = path.join(__dirname, 'dist')
 const INDEX_FILE = path.join(DIST_DIR, 'index.html')
 
 const app = express()
-app.use(express.json({ limit: '2mb' }))
+app.use(express.json({ limit: '10mb' }))
 
 app.get('/api/admin-content', async (_req, res) => {
   try {