chore: migrate from pnpm to yarn

Author: ri0n-dev

package.json

@@ -16,8 +16,8 @@
     "lucide-react": "^1.17.0",
     "motion": "^12.40.0",
     "next": "16.2.9",
-    "react": "19.2.7",
-    "react-dom": "19.2.7",
+    "react": "^19.2.7",
+    "react-dom": "^19.2.7",
     "rough-notation": "^0.5.1",
     "shadcn": "^4.11.0",
     "tailwind-merge": "^3.6.0",