docs: add GitHub star count badge to README badge section

Co-authored-by: chefgs <7605658+chefgs@users.noreply.github.com>

Author: Copilot

README.md

@@ -10,6 +10,7 @@
 [![Python 3.10+](https://img.shields.io/badge/python-3.10%2B-blue?logo=python&logoColor=white)](https://www.python.org/)
 [![License: MIT](https://img.shields.io/badge/license-MIT-green)](LICENSE)
 [![Open Source](https://img.shields.io/badge/open%20source-%E2%9D%A4-red)](https://github.com/cloudengine-labs/devops_os)
+[![GitHub Stars](https://img.shields.io/github/stars/cloudengine-labs/devops_os?style=social)](https://github.com/cloudengine-labs/devops_os/stargazers)
 
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