feat: add error boundary

makes crashes graceful

src/pages/404.tsx

@@ -1,7 +1,7 @@
 import ErrorInfo from '../components/error/ErrorInfo';
 
 const Error404 = () => {
-  return <ErrorInfo />;
+  return <ErrorInfo message='Not found, sorry.' statusCode={404} />;
 };
 
 export default Error404;