Add project schema version

clips/migrations/0006_project_schema_version.py

@@ -0,0 +1,15 @@
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("clips", "0005_footage_stream_alter_footage_video"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="project",
+            name="schema_version",
+            field=models.PositiveIntegerField(default=1),
+        ),
+    ]