feat(ui): implement dynamic view transitions and ambient gradients for themes

package.json

@@ -23,7 +23,9 @@
     "express": "^5.2.1",
     "jsonwebtoken": "^9.0.3",
     "lucide-react": "^1.21.0",
+    "multer": "^2.2.0",
     "next": "16.2.9",
+    "next-themes": "^0.4.6",
     "node-cron": "^4.5.0",
     "react": "19.2.4",
     "react-dom": "19.2.4",