Feature/group based notifications (#918)

* fix group page

* setup group notification for backend

* update type generators

* script to auto-generate schema exports

* setup frontend CRUD interface

* remove old notifications UI

* drop old events api

* add test functionality

* update naming for fields

* add event dispatcher functionality

* bump to python 3.10

* bump python version

* purge old event code

* use-async apprise

* set mealie logo as image

* unify styles for buttons rows

* add links to banners

.pylintrc

@@ -476,7 +476,6 @@ ignore-comments=yes
 
 # Ignore docstrings when computing similarities.
 ignore-docstrings=yes
-w54
 # Ignore imports when computing similarities.
 ignore-imports=no