old_contents: from django.db import models
  
  # Create your models here.
  
new_contents: from django.db import models
  
  class Charity(models.Model):
      name = models.CharField(max_length=200)
      registered_id = models.IntegerField(default=0)
      description = models.TextField()
      created_at = models.DateTimeField(auto_now_add=True)
      modified_at = models.DateTimeField(auto_now=True)
  
      def __str__(self):
          return self.name
  
subject: Add basic charity model