Change image sort, thumbnails first

ram/roster/migrations/0015_alter_rollingstockimage_options.py

@@ -0,0 +1,17 @@
+# Generated by Django 4.1.3 on 2022-12-28 21:07
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("roster", "0014_alter_rollingstockdocument_file_and_more"),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name="rollingstockimage",
+            options={"ordering": ["-is_thumbnail"]},
+        ),
+    ]