feat(js-sdk): add crawlUrlAndWatch

apps/js-sdk/example.ts

@@ -32,8 +32,24 @@ const main = async () => {
     console.log(checkStatus.data[0].markdown);
   }
 
+  // Map a website:
   const mapResult = await app.mapUrl('https://firecrawl.dev');
   console.log(mapResult)
+
+  // Crawl a website with WebSockets:
+  const watch = await app.crawlUrlAndWatch('mendable.ai', { excludePaths: ['blog/*'], limit: 5});
+
+  watch.addEventListener("document", doc => {
+    console.log("DOC", doc.detail);
+  });
+
+  watch.addEventListener("error", err => {
+    console.error("ERR", err.detail.error);
+  });
+
+  watch.addEventListener("done", state => {
+    console.log("DONE", state.detail.status);
+  });
 }
 
 main()