old_contents: from django.contrib import admin
  
  from fo2.admin import intr_adm_site
  
  import email_signature.models
  
  
  @admin.register(email_signature.models.Account, site=intr_adm_site)
  class AccountAdmin(admin.ModelAdmin):
      readonly_fields = ['create_at', 'update_at']
  
  
  @admin.register(email_signature.models.Layout, site=intr_adm_site)
  class LayoutAdmin(admin.ModelAdmin):
      list_display = ['nome', 'slug', 'template', 'habilitado']
      search_fields = ['nome']
      ordering = ['nome']
      fields = ['nome', 'slug', 'template', 'habilitado']
      readonly_fields = ['slug']
  
new_contents: from django.contrib import admin
  
  from fo2.admin import intr_adm_site
  
  import email_signature.models
  
  
  @admin.register(email_signature.models.Account, site=intr_adm_site)
  class AccountAdmin(admin.ModelAdmin):
      ordering = ['email']
      readonly_fields = ['create_at', 'update_at']
  
  
  @admin.register(email_signature.models.Layout, site=intr_adm_site)
  class LayoutAdmin(admin.ModelAdmin):
      list_display = ['nome', 'slug', 'template', 'habilitado']
      search_fields = ['nome']
      ordering = ['nome']
      fields = ['nome', 'slug', 'template', 'habilitado']
      readonly_fields = ['slug']
  
subject: ordena Conta por email