Add example to additional options desc

Author: vunguyenhung

components/firecrawl/actions/crawl-url/crawl-url.mjs

@@ -68,7 +68,7 @@ export default {
         firecrawl,
         "additionalOptions",
       ],
-      description: "Additional parameters to send in the request. [https://docs.firecrawl.dev/api-reference/endpoint/crawl-post) for available parameters. Values will be parsed as JSON where applicable.",
+      description: "Additional parameters to send in the request. [https://docs.firecrawl.dev/api-reference/endpoint/crawl-post) for available parameters. Values will be parsed as JSON where applicable. For example, to add the `webhook` param, use the value `{"webhook": {"url": "https://your-server-webhook-api.com","headers": {},"metadata": {},"events": ["completed"]}}`",
     },
   },
   async run({ $ }) {