Change how images and consists are sorted (#14)

ram/roster/migrations/0017_remove_rollingstockimage_is_thumbnail.py

@@ -0,0 +1,17 @@
+# Generated by Django 4.1.3 on 2023-01-02 15:02
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("roster", "0016_alter_rollingstockimage_options_and_more"),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name="rollingstockimage",
+            name="is_thumbnail",
+        ),
+    ]