chore: refactor code for type safety

app/(tabs)/profile/page.tsx

@@ -6,15 +6,7 @@ import { getToken, API_URL } from "@/lib/auth";
 import { ChevronLeft, Edit2, Lock, Save } from "lucide-react";
 import { useRouter } from "next/navigation";
 import React, { useEffect, useState } from "react";
-
-interface UserData {
-  name: string;
-  institution: string;
-  sscRoll: string;
-  hscRoll: string;
-  email: string;
-  phone: string;
-}
+import { UserData } from "@/types/auth";
 
 const ProfilePage = () => {
   const router = useRouter();