feat: added Forbidden page

components/Forbidden.tsx

@@ -0,0 +1,26 @@
+import dynamic from 'next/dynamic'
+import { useRouter } from 'next/router'
+
+import { ErrorText } from '@utils/Constants'
+
+const SEO = dynamic(() => import('@components/SEO'))
+const Button = dynamic(() => import('@components/Button'))
+
+const Forbidden = ():JSX.Element => {
+	const router = useRouter()
+	return <>
+		<SEO title='권한이 없습니다' />
+		<div className='flex items-center justify-center h-screen select-none'>
+			<div className='container mx-auto px-20 md:text-left text-center'>
+				<h1 className='text-8xl font-semibold'>403</h1>
+				<h2 className='text-2xl font-semibold py-2'>
+					{ErrorText[403]}
+				</h2>
+				<Button onClick={router.back}>뒤로 가기</Button>
+				<p className='text-gray-400 text-sm mt-2'>해당 작업을 수행할 수 있는 권한이 없습니다. 무언가 잘못된 거 같다면 문의해주세요.</p>
+			</div>
+		</div>
+	</>
+}
+
+export default Forbidden