Add migration to add ShowLink model

program/migrations/0021_showlink.py

+# Generated by Django 3.2.13 on 2022-05-04 20:05
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("program", "0020_remove_note_audio_url"),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name="ShowLink",
+            fields=[
+                (
+                    "id",
+                    models.AutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name="ID",
+                    ),
+                ),
+                ("description", models.CharField(max_length=16)),
+                ("url", models.URLField()),
+                (
+                    "show",
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.CASCADE,
+                        related_name="shows",
+                        to="program.show",
+                    ),
+                ),
+            ],
+            options={
+                "abstract": False,
+            },
+        ),
+    ]