Closes: #13918 - Add facility field (#15456)

* Fixes: #13918 - Add facilities field to Location model.

* Stupidly forgot to `git add`

* Fix errant reference to site.

* Misc cleanup

---------

Co-authored-by: Jeremy Stretch <jstretch@netboxlabs.com>

netbox/dcim/migrations/0186_location_facility.py

@@ -0,0 +1,18 @@
+# Generated by Django 4.2.4 on 2024-03-17 02:21
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('dcim', '0185_gfk_indexes'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='location',
+            name='facility',
+            field=models.CharField(blank=True, max_length=50),
+        ),
+    ]