first cut at followers

rowers/models.py

@@ -2917,6 +2917,16 @@ def update_duplicates_on_delete(sender, instance, **kwargs):
 #        conn.close()
 #        engine.dispose()
 
+class VirtualRaceFollower(models.Model):
+    user = models.ForeignKey(User,on_delete=models.CASCADE,null=True)
+    race = models.ForeignKey(VirtualRace,on_delete=models.CASCADE)
+    emailaddress = models.EmailField(max_length=254,blank=True,null=True)
+
+class FollowerForm(ModelForm):
+    class Meta:
+        model = VirtualRaceFollower
+        fields = ['emailaddress']
+
 # Virtual Race results (for keeping results when workouts are deleted)
 @python_2_unicode_compatible
 class VirtualRaceResult(models.Model):