message: docs: add onError()
diff: @@ -574,7 +574,7 @@ hasRoute(name: string | symbol): boolean
  _Parameters_
  | Parameter | Type | Description |
  -| --------- | ------------------------------------------------- | -------------------------- |
  +| --------- | ------------------ | -------------------------- |
  | name | `string \| symbol` | Name of the route to check |
  ### isReady
  @@ -594,14 +594,14 @@ Adds an error handler that is called every time a non caught error happens durin
  **Signature:**
  ```typescript
  -onError(handler: (error: any) => any): () => void
  +onError(handler: (error: any, to: RouteLocationNormalized, from: RouteLocationNormalized) => any): () => void
  ```
  _Parameters_
  | Parameter | Type | Description |
  -| --------- | --------------------- | ------------------------- |
  -| handler | `(error: any) => any` | error handler to register |
  +| --------- | --------------------------------------------------------------------------------- | ------------------------- |
  +| handler | `(error: any, to: RouteLocationNormalized, from: RouteLocationNormalized) => any` | error handler to register |
  ### push
  @@ -632,7 +632,7 @@ removeRoute(name: string | symbol): void
  _Parameters_
  | Parameter | Type | Description |
  -| --------- | --------------------------------------------- | --------------------------- |
  +| --------- | ------------------ | --------------------------- |
  | name | `string \| symbol` | Name of the route to remove |
  ### replace
  