text: from django.db import models
  from django.contrib.auth.models import User
  
  
  class Lead(models.Model):
      owner = models.ForeignKey(
          User, related_name="lead", on_delete=models.CASCADE, null=True)
      name = models.CharField(max_length=100)
      email = models.EmailField(max_length=250, unique=True)
      message = models.TextField(max_length=1000, blank=True)
      created_at = models.DateField(auto_now_add=True)
  