old_contents: from django.apps import AppConfig
  from material.frontend.apps import ModuleMixin
  
  
  class IntegrationAppConfig(ModuleMixin, AppConfig):
      name = 'demo.tests.integration'
      icon = '<i class="material-icons">flag</i>'
      verbose_name = "CRUD Sample"
  
      def has_perm(self, user):
          return user.is_authenticated()
  
new_contents: from django.apps import AppConfig
  from material.frontend.apps import ModuleMixin
  
  
  class IntegrationAppConfig(ModuleMixin, AppConfig):
      name = 'demo.tests.integration'
      icon = '<i class="material-icons">extension</i>'
      verbose_name = "CRUD Sample"
  
      def has_perm(self, user):
          return user.is_authenticated()
  
subject: Change demo icon