11969 airflow (#16967)

* 11960 Add airflow

* 11960 Add airflow

* 11960 fix tests

* 11960 fix racktype form

* 11969 different choices type

* 11969 update docs

* 11969 fix racktype copy

* 11969 fix

* Misc cleanup & reordering of form fields

---------

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

netbox/dcim/migrations/0189_moduletype_airflow_rack_airflow_racktype_airflow.py

@@ -0,0 +1,28 @@
+# Generated by Django 5.0.7 on 2024-07-25 07:00
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('dcim', '0188_racktype'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='moduletype',
+            name='airflow',
+            field=models.CharField(blank=True, max_length=50),
+        ),
+        migrations.AddField(
+            model_name='rack',
+            name='airflow',
+            field=models.CharField(blank=True, max_length=50),
+        ),
+        migrations.AddField(
+            model_name='racktype',
+            name='airflow',
+            field=models.CharField(blank=True, max_length=50),
+        ),
+    ]