docs: update for sphinx-jsonschema 1.19.0

app/lists/mirror_mapping.py

@@ -1,3 +1,4 @@
+import builtins
 from typing import Dict
 
 from pydantic import BaseModel, Field
@@ -29,3 +30,7 @@ def mirror_mapping():
             origin_domain_root=extract(d.origin.domain_name).registered_domain
         ) for d in Proxy.query.all() if d.url is not None
     }).dict()
+
+
+if getattr(builtins, "__sphinx_build__", False):
+    schema = MirrorMapping.schema_json()