Update badges - add documentation and pypi status (#303)

Author: cocoindex-dev

README.md

@@ -7,14 +7,17 @@
 <div align="center">
 
 [![GitHub](https://img.shields.io/github/stars/cocoindex-io/cocoindex?color=5B5BD6)](https://github.com/cocoindex-io/cocoindex)
-[![License](https://img.shields.io/badge/license-Apache%202.0-5B5BD6?logo=opensourceinitiative&logoColor=white)](https://opensource.org/licenses/Apache-2.0)
+[![Documentation](https://img.shields.io/badge/Documentation-394e79?logo=readthedocs&logoColor=00B9FF)](https://cocoindex.io/docs/getting_started/quickstart)
+[![License](https://img.shields.io/badge/license-Apache%202.0-5B5BD6?logoColor=white)](https://opensource.org/licenses/Apache-2.0)
 [![PyPI version](https://img.shields.io/pypi/v/cocoindex?color=5B5BD6)](https://pypi.org/project/cocoindex/)
-[![Python](https://img.shields.io/badge/python-3.11%20to%203.13-5B5BD6?logo=python&logoColor=white)](https://www.python.org/)
+[![PyPI - Downloads](https://img.shields.io/pypi/dm/cocoindex)](https://pypistats.org/packages/cocoindex)
+
+<!-- [![Python](https://img.shields.io/badge/python-3.11%20to%203.13-5B5BD6?logo=python&logoColor=white)](https://www.python.org/) -->
 [![CI](https://github.com/cocoindex-io/cocoindex/actions/workflows/CI.yml/badge.svg?event=push&color=5B5BD6)](https://github.com/cocoindex-io/cocoindex/actions/workflows/CI.yml)
 [![release](https://github.com/cocoindex-io/cocoindex/actions/workflows/release.yml/badge.svg?event=push&color=5B5BD6)](https://github.com/cocoindex-io/cocoindex/actions/workflows/release.yml)
 [![Discord](https://img.shields.io/discord/1314801574169673738?logo=discord&color=5B5BD6&logoColor=white)](https://discord.com/invite/zpA9S2DR7s)
-[![LinkedIn](https://img.shields.io/badge/LinkedIn-CocoIndex-5B5BD6?logo=linkedin&logoColor=white)](https://www.linkedin.com/company/cocoindex)
-[![X (Twitter)](https://img.shields.io/twitter/follow/cocoindex_io)](https://twitter.com/intent/follow?screen_name=cocoindex_io)
+<!--[![LinkedIn](https://img.shields.io/badge/LinkedIn-CocoIndex-5B5BD6?logo=linkedin&logoColor=white)](https://www.linkedin.com/company/cocoindex) -->
+<!--[![X (Twitter)](https://img.shields.io/twitter/follow/cocoindex_io)](https://twitter.com/intent/follow?screen_name=cocoindex_io) -->
 
 </div>