old_contents: from django.contrib import admin
  
  from .models import Discord
  
  
  @admin.register(Discord)
  class DiscordAdmin(admin.ModelAdmin):
      fieldsets = [
          (None, {
              'fields': ['title', 'url_webhook', 'url_avatar', 'is_active']
          }),
          ('On First Blood', {
              'fields': ['on_first_blood', 'color_first_blood']
          }),
          ('On Solved', {
              'fields': ['on_solved', 'color_solved']
          }),
          ('On Problem Registered', {
              'fields': ['on_problem_registered', 'color_on_problem_registered']
          }),
          ('On Question', {
              'fields': ['on_question', 'color_on_question']
          }),
          ('On Answer', {
              'fields': ['on_answer', 'color_on_answer']
          })
      ]
  
new_contents: from django.contrib import admin
  
  from .models import Discord
  
  
  @admin.register(Discord)
  class DiscordAdmin(admin.ModelAdmin):
      fieldsets = [
          (None, {
              'fields': ['title', 'url_webhook', 'url_avatar', 'is_active']
          }),
          ('Subscribe Problem List', {
              'fields': ['subscribe']
          }),
          ('On First Blood', {
              'fields': ['on_first_blood', 'color_first_blood']
          }),
          ('On Solved', {
              'fields': ['on_solved', 'color_solved']
          }),
          ('On Problem Registered', {
              'fields': ['on_problem_registered', 'color_on_problem_registered']
          }),
          ('On Question', {
              'fields': ['on_question', 'color_on_question']
          }),
          ('On Answer', {
              'fields': ['on_answer', 'color_on_answer']
          })
      ]
  
subject: add subscribe field