currently only works when creating a new owner

create template for AK wish submission
create form for AK wish submission
create view for AK wish submission
adapt urls and buttons

create form class
create template
configur urls
create submission view

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