doc(README): updating the definition of Kong with the new AI capabili…

…ties (#12776)

README.md

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 ![Stars](https://img.shields.io/github/stars/Kong/kong?style=flat-square) ![GitHub commit activity](https://img.shields.io/github/commit-activity/m/Kong/kong?style=flat-square) ![Docker Pulls](https://img.shields.io/docker/pulls/_/kong?style=flat-square) [![Build Status][badge-action-image]][badge-action-url] ![Version](https://img.shields.io/github/v/release/Kong/kong?color=green&label=Version&style=flat-square)  ![License](https://img.shields.io/badge/License-Apache%202.0-blue?style=flat-square)  ![Twitter Follow](https://img.shields.io/twitter/follow/thekonginc?style=social)
 
 
-**Kong** or **Kong API Gateway** is a cloud-native, platform-agnostic, scalable API Gateway distinguished for its high performance and extensibility via plugins.
+**Kong** or **Kong API Gateway** is a cloud-native, platform-agnostic, scalable API Gateway distinguished for its high performance and extensibility via plugins. It also provides advanced AI capabilities with multi-LLM support.
 
 By providing functionality for proxying, routing, load balancing, health checking, authentication (and [more](#features)), Kong serves as the central layer for orchestrating microservices or conventional API traffic with ease.