* Added sleep interval to settings
* Added new sleep setting to yt-dlp runner and added tests
* Added setting for form; updated setting name
* Updated form label
* Prevented saving/updating of media items if being throttled by youtube
* Added the bot message to the list of non-retryable errors
* Fixed typo
* Namespaced notification modules under lifecycle
* Added a JSON encoder for all the main model types
* Added startup task to create user script file
* Hook up user script event to media download
* Hooked up media deletion user script
* Added jq to docker deps
* Updated README
Kieran