Update plugins/gptold.js

plugins/gptold.js

@@ -7,6 +7,13 @@ const GptRoutes = express.Router();
  * /api/v1/gpt-old:
  *   get:
  *     summary: GPT OLD version turbo
+ *     parameters:
+ *       - in: query
+ *         name: query
+ *         required: true
+ *         description: The query to be processed by the GPT OLD.
+ *         schema:
+ *           type: string
  *     responses:
  *       200:
  *         description: Success