Migrate some models in a new app

dcc/metadata/migrations/0001_initial.py

@@ -0,0 +1,42 @@
+# Generated by Django 4.0 on 2021-12-20 21:37
+
+from django.db import migrations, models
+import django.db.models.deletion
+import django_countries.fields
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Company',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=128, unique=True)),
+                ('country', django_countries.fields.CountryField(max_length=2)),
+            ],
+            options={
+                'verbose_name_plural': 'Companies',
+            },
+        ),
+        migrations.CreateModel(
+            name='Manufacturer',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=128, unique=True)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Decoder',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=128, unique=True)),
+                ('manufacturer', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='metadata.manufacturer')),
+            ],
+        ),
+    ]