docs: add sister-project link to Hermes Agent on AWS

Add a top-of-README pointer (EN + CN) to the companion deployment
sample-hermes-agent-on-aws-with-bedrock — same one-click CloudFormation +
Bedrock pattern, for users who prefer a self-improving Python agent.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

Author: JiaDe

README.md

@@ -4,6 +4,8 @@
 
 English | [简体中文](README_CN.md)
 
+> 🔱 **Sister project:** Prefer a self-improving Python agent? See **[Hermes Agent on AWS with Bedrock](https://github.com/JiaDe-Wu/sample-hermes-agent-on-aws-with-bedrock)** — same one-click CloudFormation + Bedrock deploy, built around an auto-learning agent loop.
+
 [![License](https://img.shields.io/badge/License-MIT--0-yellow?style=for-the-badge)](https://opensource.org/licenses/MIT)
 [![Amazon Bedrock](https://img.shields.io/badge/Powered_by-Amazon_Bedrock-FF9900?style=for-the-badge&logo=amazonaws&logoColor=white)](https://aws.amazon.com/bedrock/)
 [![CloudFormation](https://img.shields.io/badge/IaC-CloudFormation-232F3E?style=for-the-badge&logo=amazonaws&logoColor=white)](https://aws.amazon.com/cloudformation/)

README_CN.md

@@ -4,6 +4,8 @@
 
 [English](README.md) | 简体中文
 
+> 🔱 **姊妹项目：** 想要一个会自我进化的 Python 智能体？看看 **[Hermes Agent on AWS with Bedrock](https://github.com/JiaDe-Wu/sample-hermes-agent-on-aws-with-bedrock)** —— 同样的一键 CloudFormation + Bedrock 部署，核心是一个自动学习的 Agent 循环。
+
 [![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)
 [![AWS](https://img.shields.io/badge/AWS-Bedrock-orange.svg)](https://aws.amazon.com/bedrock/)
 [![CloudFormation](https://img.shields.io/badge/IaC-CloudFormation-blue.svg)](https://aws.amazon.com/cloudformation/)