chore: remove beta release notice and clean up README formatting

Author: champ96k

README.md

@@ -1,20 +1,14 @@
 # QuantaDB
 
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 <a href="https://www.producthunt.com/products/quantadb-local-db-for-flutter-and-dart?embed=true&utm_source=badge-featured&utm_medium=badge&utm_source=badge-quantadb&#0045;local&#0045;db&#0045;for&#0045;flutter&#0045;and&#0045;dart" target="_blank"><img src="https://api.producthunt.com/widgets/embed-image/v1/featured.svg?post_id=991948&theme=light&t=1752344810736" alt="QuantaDB&#0032;local&#0032;DB&#0032;for&#0032;flutter&#0032;and&#0032;dart&#0032; - A&#0032;high&#0045;performance&#0044;&#0032;type&#0045;safe&#0032;NoSQL&#0032;db&#0032;for&#0032;Dart&#0032;and&#0032;Flutter | Product Hunt" style="width: 250px; height: 54px;" width="250" height="54" /></a>
 
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 [![Sponsor](https://img.shields.io/badge/Sponsor-%F0%9F%92%96-blueviolet)](https://github.com/sponsors/champ96k)
 
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 [![Pub Version](https://img.shields.io/pub/v/quanta_db.svg)](https://pub.dev/packages/quanta_db)
 [![License](https://img.shields.io/github/license/champ96k/quanta_db)](https://github.com/champ96k/quanta_db/blob/master/LICENSE)
 [![codecov](https://codecov.io/gh/champ96k/quanta_db/branch/master/graph/badge.svg)](https://codecov.io/gh/champ96k/quanta_db)
 [![Documentation](https://img.shields.io/badge/Documentation-API-blue)](https://quantadb.netlify.app/)
 
-> ⚠️ **BETA RELEASE**  
-> This project is currently in **beta**. While it's functional and available for use, it may still undergo changes. Please use with caution in production environments and report any bugs or issues.
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 📚 **Documentation**: Visit our [documentation site](https://quantadb.netlify.app/) for detailed guides and API references.
 
 A high-performance, type-safe NoSQL database for Dart and Flutter applications.