Adds 'issued_by' and 'responsible' field to BuildOrder

- issued_by is a user
- responsible is a user or a group

InvenTree/build/migrations/0026_auto_20210216_1539.py

@@ -0,0 +1,27 @@
+# Generated by Django 3.0.7 on 2021-02-16 04:39
+
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('users', '0005_owner_model'),
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+        ('build', '0025_build_target_date'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='build',
+            name='issued_by',
+            field=models.ForeignKey(blank=True, help_text='User who issued this build order', null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='builds_issued', to=settings.AUTH_USER_MODEL),
+        ),
+        migrations.AddField(
+            model_name='build',
+            name='responsible',
+            field=models.ForeignKey(blank=True, help_text='User responsible for this build order', null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='builds_responsible', to='users.Owner'),
+        ),
+    ]