[Docs] Track missing documentation in Meshery Cloud

#### Current State
Several existing features in Meshery Cloud are missing documentation. These are tracked in this spreadsheet:
[Meshery Cloud API Documentation Tracker](https://docs.google.com/spreadsheets/d/1Ck_5q7U_vLSIDTtplugG3pCVC5zugXgTHtO7T7-yL8g/edit?gid=829069645#gid=829069645)

Rows marked as **"MISSING"** in the **Document?** column indicate features that are implemented but lack detailed documentation, especially regarding internal behavior and impact. documentation.

#### Desired State
All existing features in the spreadsheet should have complete and accurate documentation. As documentation is added, please update the spreadsheet accordingly.