Add visualization to ak list and detail page
Add option to treat them as an own category on submission overview

Add description to category model
Show tabbed list of different categories of AKs on submission overview

avoid clashes with python keyword

Add dynamic title handling to base html
Add more information to submission overview
Move AK list to own file for use in other pages
Add detail view for AK
Add views with AK overview list as well as filtered lists (by type and tag)
Add corresponding German translations

Create mixin (FilterByEventSlugMixin) to handle even slug parsing in generic views
Add submission url config
Include submission urls in central url config
Add index view for submissions