title: Connect one model's ManyToManyField with another model's ForeignKey
body: <p>let I have a model with ForeignKey to another:</p>
  
  <pre><code>class Photo(models.Model):
      name = models.CharField(max_length=64)
      album = models.ForeignKey('Album')
  </code></pre>
  
  <p>And that 'Album' model must to connect this photo's objects to its ManyToManyField automatically:</p>
  
  <pre><code>class Album(models.Model):
      name = models.CharField(max_length=64)
      photoItems = models.ManyToManyField(Photo)
  </code></pre>
  
  <p>And the question is how can I do this?</p>