Update app.py

app.py

@@ -83,6 +83,7 @@ app = FastAPI(
         "url": "https://promotion.francispradel.fr",
     },
     openapi_tags=tags_metadata,
+    swagger_ui_parameters={"syntaxHighlight": {"theme": "obsidian"}},
 )
 
 @app.on_event("startup")