Avtdl

A few small fixes

**Full Changelog**: https://github.com/15532th/avtdl/compare/v2.3.0...v2.3.1

Add Withny plugin

Update RPLAY monitor

Fix mechanism for not storing record updates with insignificant changes in DB for Youtube feed and RSS monitors not being used despite being implemented.

Minor fixes:

- make `xmpp` plugin handle restart/termination
- improve config serialization on web-ui
- update rplay example



**Full Changelog**: https://github.com/15532th/avtdl/compare/v2.2.2...v2.2.3

Ensure user created inside the container has UID and GUID 1000.