Add Agmente to the clients list (#355)

Co-authored-by: rebornix <penn.lv@gmail.com>

Author: lyup

docs/overview/clients.mdx

@@ -5,6 +5,7 @@ description: "Clients implementing the Agent Client Protocol"
 
 The following clients can be used with an ACP Agent:
 
+- [Agmente](https://agmente.halliharp.com) (iOS)
 - [AionUi](https://github.com/iOfficeAI/AionUi)
 - [aizen](https://aizen.win)
 - [DeepChat](https://github.com/ThinkInAIXYZ/deepchat)