feat: add theme toggle with light/dark/auto

Author: Yvictor

package.json

@@ -12,6 +12,7 @@
   },
   "dependencies": {
     "@hookform/resolvers": "^5.2.2",
+    "@radix-ui/react-dropdown-menu": "^2.1.16",
     "@radix-ui/react-label": "^2.1.7",
     "@radix-ui/react-separator": "^1.1.7",
     "@radix-ui/react-slot": "^1.2.3",