new_contents: from django.contrib import admin
  from .models import *
  
  
  class PillowCheckpointSeqStoreAdmin(admin.ModelAdmin):
  
      model = PillowCheckpointSeqStore
      list_display = [
          'checkpoint_id',
          'date_updated',
          'seq',
      ]
  
  
  class ESRestorePillowCheckpointsAdmin(admin.ModelAdmin):
  
      model = ESRestorePillowCheckpoints
      list_display = [
          'checkpoint_id',
          'date_updated',
          'seq',
      ]
  
  
  admin.site.register(PillowCheckpointSeqStore, PillowCheckpointSeqStoreAdmin)
  admin.site.register(ESRestorePillowCheckpoints, ESRestorePillowCheckpointsAdmin)
  
subject: add admin pages for checkpoint models