chore: update prettier config

package.json

@@ -41,7 +41,6 @@
     "lucide-react": "^0.476.0",
     "next-themes": "^0.4.4",
     "nuqs": "^2.4.1",
-    "prettier": "^3.5.2",
     "react": "^19.0.0",
     "react-dom": "^19.0.0",
     "react-markdown": "^10.0.1",
@@ -74,6 +73,8 @@
     "globals": "^15.14.0",
     "next": "^15.2.3",
     "postcss": "^8.5.3",
+    "prettier": "^3.5.3",
+    "prettier-plugin-tailwindcss": "^0.6.11",
     "tailwind-scrollbar": "^4.0.1",
     "tailwindcss": "^4.0.13",
     "typescript": "~5.7.2",