Add missing migrations related to video URL

Related to #668

Signed-off-by: Nabarun Pal <[email protected]>

Author: palnabarun

junction/proposals/migrations/0028_auto_20200617_2337.py

@@ -0,0 +1,33 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.9 on 2020-06-17 18:07
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("proposals", "0027_auto_20200502_0540"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="historicalproposal",
+            name="video_url",
+            field=models.URLField(
+                blank=True,
+                default="",
+                help_text="Short 1-2 min video describing your talk",
+            ),
+        ),
+        migrations.AlterField(
+            model_name="proposal",
+            name="video_url",
+            field=models.URLField(
+                blank=True,
+                default="",
+                help_text="Short 1-2 min video describing your talk",
+            ),
+        ),
+    ]