Use a custom BBB url link, that is not necessary on visio.animath.live

apps/participation/migrations/0004_auto_20210122_1827.py

@@ -0,0 +1,22 @@
+# Generated by Django 3.0.11 on 2021-01-22 17:27
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('participation', '0003_team_motivation_letter'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='pool',
+            name='bbb_code',
+        ),
+        migrations.AddField(
+            model_name='pool',
+            name='bbb_url',
+            field=models.CharField(blank=True, default='', help_text='The link of the BBB visio for this pool.', max_length=255, verbose_name='BigBlueButton URL'),
+        ),
+    ]