message: fix(): use correct markdown
diff: @@ -17,7 +17,8 @@ Everything you know about routing using React Router carries over into Ionic Rea
  Here is a sample `App` component that defines a single route to the "/dashboard" URL. When you visit "/dashboard", the route renders the `DashboardPage` component.
  -`App.tsx`:
  +**App.tsx**
  +
  ```tsx
  const App: React.FC = () => {
  return (
  @@ -57,7 +58,8 @@ The `IonReactRouter` component wraps the traditional [`BrowserRouter`](https://r
  Inside the Dashboard page, we define more routes related to this specific section of the app:
  -`DashboardPage.tsx`:
  +**DashboardPage.tsx**
  +
  ```tsx
  const DashboardPage: React.FC = () => {
  return (
  @@ -106,7 +108,8 @@ An `IonRouterOutlet` should also not be a descendant from another `IonRouterOutl
  There are several options available when routing to different views in an Ionic React app. Here, the `UsersListPage` uses `IonItem`'s `href` prop to specify the route to go to when the item is tapped/clicked:
  -`UsersListPage.tsx`:
  +**UsersListPage.tsx**
  +
  ```tsx
  const UsersListPage: React.FC = () => {
  return (
  @@ -141,7 +144,7 @@ We recommend using one of the above methods whenever possible for routing. The a
  A programmatic option for navigation is using the [`history`](https://reacttraining.com/react-router/web/api/history) prop that React Router provides to the components it renders via routes.
  -```html
  +```jsx
  <IonButton
  onClick={e => {
  e.preventDefault();
  @@ -157,7 +160,8 @@ A programmatic option for navigation is using the [`history`](https://reacttrain
  The second route defined in the Dashboard Page has a URL parameter defined (the ":id" portion in the path). URL parameters are dynamic portions of the `path`, and when the user navigates to a URL such as "/dashboard/users/1", the "1" is saved to a parameter named "id", which can be accessed in the component the route renders. Let's see how that's done.
  -`UserDetailPage.tsx`:
  +**UserDetailPage.tsx**
  +
  ```tsx
  interface UserDetailPageProps extends RouteComponentProps<{
  id: string;
  