refactor: add typescript support to project

src/routes/404/index.tsx

@@ -1,4 +1,3 @@
-// import React from 'react';
 import StyledWrapper from "./styled";
 
 export default function NotFoundPage() {

src/routes/404/styled.tsx

@@ -1,4 +1,5 @@
 import styled from "styled-components";
+
 const StyledWrapper = styled.div`
   display: flex;
 `;