Is your feature request related to a problem? Please describe.

In some cases you may want to add additional routes for a resource.

some example:

• i got some resource and i want to add a dashboard like page in addition to show/list/create/edit
• create a custom pages that not direct connected to specific resource and not in CRUD pattern.

i can create nested route but its missing the point of the ​​simplicity of refine

Describe alternatives you've considered

No response

Additional context

No response

Describe the thing to improve

option to add custom routes next to list/create/edit/show