title: How to upvote/like a post in django
body: <p>I am a beginner to django programming. I have been trying to add a like button to the post which is posted by the user.
  In my models.py</p>
  
  <pre><code>class Post(models.Model):
      post = models.CharField(max_length=500)
      user = models.ForeignKey(User)
      created = models.DateTimeField(auto_now_add=True)
      updated = models.DateTimeField(auto_now=True)
  </code></pre>
  
  <p>Please help in adding a like button to my blog.</p>