message: docs(aio): fix typo in Router documentation
  Fix title and link to RouteConfigLoadEnd documentation
diff: @@ -255,11 +255,11 @@ During each navigation, the `Router` emits navigation events through the `Router
  <tr>
  <td>
  - <code>RouteConfigLoadStart</code>
  + <code>RouteConfigLoadEnd</code>
  </td>
  <td>
  - An [event](api/router/RouteConfigLoadStart) triggered after a route has been lazy loaded.
  + An [event](api/router/RouteConfigLoadEnd) triggered after a route has been lazy loaded.
  </td>
  </tr>
  