ashmrtn 3efb67e110
First pass at documentation for maintenance (#3830)
Assumes the addition of `--user` and `--hostname` flags

Also unhides the maintenance command and mode flag

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#### Does this PR need a docs update or release note?

- [ ]  Yes, it's included
- [ ] 🕐 Yes, but in a later PR
- [x]  No

#### Type of change

- [ ] 🌻 Feature
- [ ] 🐛 Bugfix
- [x] 🗺️ Documentation
- [ ] 🤖 Supportability/Tests
- [ ] 💻 CI/Deployment
- [ ] 🧹 Tech Debt/Cleanup

#### Issue(s)

* #3569

#### Test Plan

- [x] 💪 Manual
- [ ]  Unit test
- [ ] 💚 E2E
2023-07-18 06:20:42 +00:00
..
2023-07-17 16:19:21 +00:00
2023-07-17 16:19:21 +00:00
2023-07-17 16:19:21 +00:00