docs(README): refine content and improve readability

- Update repository description for better clarity
- Adjust feature showcase section for enhanced readability
- Remove unnecessary note formatting

Author: fulleni

README.md

@@ -14,11 +14,13 @@
   <a href="https://github.com/sponsors/flutter-news-app-full-source-code"><img src="https://img.shields.io/badge/LIFETIME_LICENSE-PURCHASE-purple?style=for-the-badge" alt="Lifetime License: Purchase"></a>
 </p>
 
-This repository contains the complete, production-ready source code for a feature-rich Flutter news mobile app. It gives you everything you need to launch your own news app on the App Store and Google Play, right out of the box. It is a key component of the [**Flutter News App - Full Source Code Toolkit**](https://github.com/flutter-news-app-full-source-code), an ecosystem that also includes a Dart Frog [backend API](https://github.com/flutter-news-app-full-source-code/flutter-news-app-api-server-full-source-code) and a web-based [content dashboard](https://github.com/flutter-news-app-full-source-code/flutter-news-app-web-dashboard-full-source-code).
+This repository contains the complete, production-ready source code for a feature-rich Flutter news mobile app. It gives you everything you need to launch your own news app on the App Store and Google Play, right out of the box. It is a key component of the [**Flutter News App Full Source Code Toolkit**](https://github.com/flutter-news-app-full-source-code), an ecosystem that also includes a Dart Frog [backend API](https://github.com/flutter-news-app-full-source-code/flutter-news-app-api-server-full-source-code) and a web-based [content dashboard](https://github.com/flutter-news-app-full-source-code/flutter-news-app-web-dashboard-full-source-code).
 
 ## ⭐ Feature Showcase: Everything You Get, Ready to Go
 
-This app comes packed with all the features you need to launch a professional news application. Click on any category to explore.
+This app comes packed with all the features you need to launch a professional news application.
+ 
+Click on any category to explore.
 
 <details>
 <summary><strong>📰 Core User Experience</strong></summary>
@@ -138,8 +140,7 @@ Get started for free and purchase when you're ready to launch!
 - **BUY IT:** One-time payment for a lifetime license to publish unlimited commercial apps.
 - **GET YOURS:** [**Purchase via GitHub Sponsors**](https://github.sponsors/flutter-news-app-full-source-code).
 
-> [!NOTE]
-> A single purchase provides a commercial license for every repository within the [Flutter News App - Full Source Code Toolkit](https://github.com/flutter-news-app-full-source-code). No other purchases are needed.
+> A single purchase provides a commercial license for every repository within the [Flutter News App Full Source Code Toolkit](https://github.com/flutter-news-app-full-source-code). No other purchases are needed.
 
 ## 🚀 Getting Started & Running Locally