Add new API routes

[IAmTomahawkx]

Description

This adds the following API routes:

• get ad schedules
• snooze ad
• get moderated channels

Checklist

• [ ] If code changes were made then they have been tested.
  • [x] I have updated the documentation to reflect the changes.
  • [x] I have updated the changelog with a quick recap of my changes. (see other pr)
• [ ] This PR fixes an issue.
• [x] This PR adds something new (e.g. new method or parameters).
• [ ] This PR is a breaking change (e.g. methods or parameters removed/renamed)
• [ ] This PR is not a code change (e.g. documentation, README, ...)
• [x] I have read and agree to the Developer Certificate of Origin for this contribution