Hyku7 documentation

[ShanaLMoore]

Summary

ref:

• https://samvera.atlassian.net/wiki/spaces/hyku/pages/3185442921/Rails+7.x+Upgrade+v7.0
• https://samvera.atlassian.net/wiki/spaces/hyku/pages/3670474758/Hyku+Release+Notes
• https://samvera.atlassian.net/wiki/spaces/hyku/pages/3185541198/2.2.5+Flexible+Metadata+v6.2

Acceptance Criteria

• documentation has been updated to reflect hyku7 release/changes

Screenshots or Video

Testing Instructions

Sample Files

Notes