new_contents: from django.contrib import admin
  
  from us_ignite.hubs.models import Hub, HubActivity
  
  
  class HubAdmin(admin.ModelAdmin):
      list_display = ('name', 'slug', 'status', 'created')
      search_fields = ('name', 'slug', 'description', 'features')
      date_hierarchy = 'created'
      list_filter = ('status', 'created')
  
  
  class HubActivityAdmin(admin.ModelAdmin):
      list_display = ('name', 'created')
      search_fields = ('name', 'description')
      date_hierarchy = 'created'
      list_filter = ('created', )
  
  admin.site.register(Hub, HubAdmin)
  admin.site.register(HubActivity, HubActivityAdmin)
  
subject: Add admin section for the ``Hub`` and ``HubActivity``.