refactor: some renaming and corrections

app/unsubscribe/page.tsx

@@ -3,7 +3,7 @@ import { zodResolver } from '@hookform/resolvers/zod';
 import { useEffect, useRef, useState } from 'react';
 import { useForm } from 'react-hook-form';
 import { z } from 'zod';
-import { CustomCard } from '../../components/custom/card';
+import { Card } from '../../components/custom/card';
 import ErrorMessage from '../../components/custom/error';
 import { Button } from '../../components/ui/button';
 import {
@@ -108,7 +108,7 @@ export default function Unsubscribe() {
   }
 
   return (
-    <CustomCard
+    <Card
       style='text-center'
       title='Unsubscribe'
       description='You sure you want to leave? :('