Moderator updates in modlog

[BentiGorlich]

Is your feature request related to a problem? Please describe. The modlog does not show adding or removing a moderator

Describe the solution you'd like When a mod is added or removed the modlog should show that

Describe alternatives you've considered none

Additional context #235

[github-actions[bot]]

This issue is stale because it has been open 50 days with no activity. Remove stale label or comment or this will be closed in 6 days.

[github-actions[bot]]

This issue is stale because it has been open 50 days with no activity. Remove stale label or comment or this will be closed in 6 days.