pedagogy: functional but basic uv comment system

pedagogy/migrations/0001_initial.py

@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# Generated by Django 1.11.20 on 2019-06-16 13:36
+# Generated by Django 1.11.20 on 2019-06-16 14:22
 from __future__ import unicode_literals
 
 from django.conf import settings
@@ -264,6 +264,15 @@ class Migration(migrations.Migration):
                         verbose_name="author",
                     ),
                 ),
+                (
+                    "uv",
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.CASCADE,
+                        related_name="comments",
+                        to="pedagogy.UV",
+                        verbose_name="uv",
+                    ),
+                ),
             ],
         ),
         migrations.CreateModel(