update llamaindex doc comment

Author: mme

typescript-sdk/integrations/llamaindex/src/index.ts

@@ -1,6 +1,6 @@
 /**
- * Agno is a framework for building Multi-Agent Systems with memory, knowledge and reasoning.
- * Check more about using Agno: https://docs.agno.com/
+ * LlamaIndex is a simple, flexible framework for building agentic generative AI applications that allow large language models to work with your data in any format.
+ * Check more about using LlamaIndex: https://docs.llamaindex.ai/
  */
 
 import { HttpAgent } from "@ag-ui/client";