Closes #14312: Move ConfigRevision to core (#14328)

* Move ConfigRevision model & write migrations

* Move ConfigRevision resources from extras to core

* Extend migration to update original content type for ConfigRevision

netbox/core/migrations/0009_configrevision.py

@@ -0,0 +1,31 @@
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('core', '0008_contenttype_proxy'),
+    ]
+
+    operations = [
+        migrations.SeparateDatabaseAndState(
+            state_operations=[
+                migrations.CreateModel(
+                    name='ConfigRevision',
+                    fields=[
+                        ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False)),
+                        ('created', models.DateTimeField(auto_now_add=True)),
+                        ('comment', models.CharField(blank=True, max_length=200)),
+                        ('data', models.JSONField(blank=True, null=True)),
+                    ],
+                    options={
+                        'verbose_name': 'config revision',
+                        'verbose_name_plural': 'config revisions',
+                        'ordering': ['-created'],
+                    },
+                ),
+            ],
+            # Table will be renamed from extras_configrevision in extras/0101_move_configrevision
+            database_operations=[],
+        ),
+    ]