Add a reference to a build for a stock item

InvenTree/stock/migrations/0010_stockitem_build.py

@@ -0,0 +1,20 @@
+# Generated by Django 2.2.4 on 2019-09-01 13:08
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('build', '0005_auto_20190604_2217'),
+        ('stock', '0009_auto_20190715_2351'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='stockitem',
+            name='build',
+            field=models.ForeignKey(blank=True, help_text='Build for this stock item', null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='build_outputs', to='build.Build'),
+        ),
+    ]