Extend manufacturer and make volume frendly

dcc/metadata/migrations/0006_manufacturer_category.py

@@ -0,0 +1,19 @@
+# Generated by Django 4.0.3 on 2022-04-04 19:14
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('metadata', '0005_alter_company_freelance_alter_decoder_sound'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='manufacturer',
+            name='category',
+            field=models.CharField(choices=[('model', 'Model train'), ('real', 'Real train')], default='model', max_length=64),
+            preserve_default=False,
+        ),
+    ]

dcc/metadata/migrations/0007_alter_manufacturer_category.py

@@ -0,0 +1,18 @@
+# Generated by Django 4.0.3 on 2022-04-04 19:16
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('metadata', '0006_manufacturer_category'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='manufacturer',
+            name='category',
+            field=models.CharField(choices=[('model', 'Model train manufacturer'), ('real', 'Real train manufacturer')], max_length=64),
+        ),
+    ]