Refactor rolling stock

dcc/roster/migrations/0028_rollingstockdocument_description.py

@@ -0,0 +1,18 @@
+# Generated by Django 4.0.2 on 2022-03-29 20:24
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('roster', '0027_alter_rollingstockdocument_file'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='rollingstockdocument',
+            name='description',
+            field=models.CharField(blank=True, max_length=128),
+        ),
+    ]