message: fix(useFetch): use AsyncState type
diff: import React from 'react';
  import { useShadowDom } from '..';
  import { useAsync } from 'react-use';
  +import { AsyncState } from 'react-use/lib/useAsync';
  +
  import { useLocation, useParams, useNavigate } from 'react-router-dom';
  import transformer, {
  @@ -31,7 +33,7 @@ import URLFormatter from '../urlFormatter';
  import { TechDocsNotFound } from './TechDocsNotFound';
  import { TechDocsPageWrapper } from './TechDocsPageWrapper';
  -const useFetch = (url: string) => {
  +const useFetch = (url: string): AsyncState<string | Error> => {
  const state = useAsync(async () => {
  const response = await fetch(url);
  if (response.status === 404) {
  @@ -69,7 +71,11 @@ export const Reader = () => {
  React.useEffect(() => {
  const divElement = shadowDomRef.current;
  - if (divElement?.shadowRoot && state.value) {
  + if (
  + divElement?.shadowRoot &&
  + state.value &&
  + !(state.value instanceof Error)
  + ) {
  const transformedElement = transformer(state.value, [
  addBaseUrl({
  docStorageURL,
  