[GKO] Create a page using CRD

[mouligno]

:rainbow: Feature

As a user, I want to create a documentation page using CRD in order to manage my APIs lifecycle using K8

:sunrise_over_mountains: Additional information

• [ ] Reference of related API into Documentation page CRD (1-1 relation)
  • [ ] I can reference an API not managed through CRD too
• [ ] Global documentation page (no API related => general documentation page)
• [ ] Content validated by APIM, YAML validation only on GKO side
• [ ] Ability to attach media (#8216 )
• [ ] Page need to be read-only if created via CRD
• [ ] Handle Events
• [ ] API can have some pages managed by CRD and via the console
  • [ ] Need to manage origin for each page

:superhero: Acceptance criteria

• [ ] Given '...' Then '...' When '...'

[stale[bot]]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.