Allow the use of local copies of cdn files

ram/portal/migrations/0015_siteconfiguration_use_cdn.py

@@ -0,0 +1,18 @@
+# Generated by Django 4.1.5 on 2023-01-03 15:01
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("portal", "0014_siteconfiguration_extra_head"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="siteconfiguration",
+            name="use_cdn",
+            field=models.BooleanField(default=True),
+        ),
+    ]