docs: add maintenance pages discovery
Description
This MR adds a new discovery for maintenance pages support.
Supporting information
Testing instructions
Steps to test the changes:
- Proofread the changes
Dependencies
N/A
Screenshots
N/A
Checklist
If any of the items below is not applicable, do not remove them, but put a check in it.
-
All providers include the new feature/change -
All affected providers can provision new clusters -
Unit tests are added/updated -
Documentation is added/updated -
The TOOLS_CONTAINER_IMAGE_VERSION
in ci_vars.yml is updated -
The grove-template repository is updated
Additional context
N/A