Add CI badge to README

Author: PRINCE2-AI

README.md

@@ -1,5 +1,6 @@
 # MemoryOS Agent
 
+[![CI](https://github.com/PRINCE2-AI/memoryos-agent/actions/workflows/ci.yml/badge.svg)](https://github.com/PRINCE2-AI/memoryos-agent/actions/workflows/ci.yml)
 [![Python 3.11+](https://img.shields.io/badge/Python-3.11%2B-3776AB?logo=python&logoColor=white)](https://www.python.org/)
 [![OpenAI API](https://img.shields.io/badge/OpenAI-API-000000?logo=openai&logoColor=white)](https://platform.openai.com/docs)
 [![FastAPI](https://img.shields.io/badge/FastAPI-API-009688?logo=fastapi&logoColor=white)](https://fastapi.tiangolo.com/)