old_contents: from django.contrib import admin
  from microbot.models import Message, Chat, Update, User, Bot, Handler, EnvironmentVar, Request
  
  admin.site.register(Message)
  admin.site.register(Chat)
  admin.site.register(User)
  admin.site.register(Update)
  admin.site.register(Bot)
  admin.site.register(Handler)
  admin.site.register(Request)
  admin.site.register(EnvironmentVar)
new_contents: from django.contrib import admin
  from microbot.models import Message, Chat, Update, User, Bot, Handler, EnvironmentVar, Request, Response, Hook
  
  admin.site.register(Message)
  admin.site.register(Chat)
  admin.site.register(User)
  admin.site.register(Update)
  admin.site.register(Bot)
  admin.site.register(Handler)
  admin.site.register(Request)
  admin.site.register(EnvironmentVar)
  admin.site.register(Response)
  admin.site.register(Hook)
subject: add response & to admin