Rename Order.URL to Order.link

InvenTree/order/migrations/0018_auto_20200406_0151.py

@@ -0,0 +1,18 @@
+# Generated by Django 2.2.10 on 2020-04-06 01:51
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('order', '0017_auto_20200331_1000'),
+    ]
+
+    operations = [
+        migrations.RenameField(
+            model_name='purchaseorder',
+            old_name='URL',
+            new_name='link',
+        ),
+    ]