docs: add PyPI version and download badges

Author: imran-siddique

README.md

@@ -9,6 +9,8 @@
 [![License](https://img.shields.io/badge/license-MIT-blue.svg)](LICENSE)
 [![Python](https://img.shields.io/badge/python-3.9+-blue.svg)](https://python.org)
 [![CI](https://github.com/imran-siddique/agent-os/actions/workflows/ci.yml/badge.svg)](https://github.com/imran-siddique/agent-os/actions/workflows/ci.yml)
+[![PyPI](https://img.shields.io/pypi/v/agent-os-kernel)](https://pypi.org/project/agent-os-kernel/)
+[![Downloads](https://img.shields.io/pypi/dm/agent-os-kernel)](https://pypi.org/project/agent-os-kernel/)
 [![VS Code Extension](https://img.shields.io/badge/VS%20Code-Extension-007ACC?logo=visual-studio-code)](https://marketplace.visualstudio.com/items?itemName=agent-os.agent-os-vscode)
 [![Documentation](https://img.shields.io/badge/docs-imran--siddique.github.io-blue)](https://imran-siddique.github.io/agent-os-docs/)
 [![Featured in awesome-llm-apps](https://img.shields.io/badge/Featured%20in-awesome--llm--apps-orange)](https://github.com/Shubhamsaboo/awesome-llm-apps)