Added balls to model

models.py

# keep Card and Row models from before
class Ball(models.Model):
    """
    The ball in a ball-blower. Represents a random number 1-75.
    """
    num_value = models.CharField(max_length=3)
    updated_at = models.DateTimeField(auto_now=True)

class MatchSmiley(models.Model):
    """ Derived from card data, each column is a number on a specific card"""
    one_value = models.CharField(max_length=3)
    two_value = models.CharField(max_length=3)
    three_value = models.CharField(max_length=3)
    four_value = models.CharField(max_length=3)
    five_value = models.CharField(max_length=3)
    six_value = models.CharField(max_length=3)
    seven_value = models.CharField(max_length=3)
    eight_value = models.CharField(max_length=3)
    nine_value = models.CharField(max_length=3)
    ten_value = models.CharField(max_length=3)
    eleven_value = models.CharField(max_length=3)
    twelve_value = models.CharField(max_length=3)
    thirteen_value = models.CharField(max_length=3)
    fourteen_value = models.CharField(max_length=3)
    needed_to_win = models.IntegerField()
    left = models.IntegerField()