fix: allow changes in CORS settings (#100)

Signed-off-by: Michele Dolfi <dol@zurich.ibm.com>

docling_serve/app.py

@@ -122,9 +122,9 @@ def create_app():  # noqa: C901
         version=version,
     )
 
-    origins = ["*"]
-    methods = ["*"]
-    headers = ["*"]
+    origins = docling_serve_settings.cors_origins
+    methods = docling_serve_settings.cors_methods
+    headers = docling_serve_settings.cors_headers
 
     app.add_middleware(
         CORSMiddleware,