old_contents: from django.contrib import admin
  from ppatrigger.models import Ppa, Package, Project
  
  admin.site.register(Ppa)
  admin.site.register(Package)
  admin.site.register(Project)
  
  
new_contents: from django.contrib import admin
  from ppatrigger.models import Ppa, Package, Project
  
  admin.site.register(Ppa)
  admin.site.register(Package)
  admin.site.register(Project)
  admin.site.register(ProjectDocs)
  admin.site.register(ProjectCategory)
  
  
subject: Add docs and categories to admin