docs: add environment configuration section

- Added flexible env config section
- Mentioned benefits for the user

Author: fulleni

README.md

@@ -48,6 +48,10 @@ Developed with best practices for a maintainable and scalable codebase:
 *   **GoRouter:** Well-structured and powerful navigation.
 *   **Benefit for you:** An easy-to-understand, extendable, and testable foundation for your project. 📈
 
+#### ⚙️ **Flexible Environment Configuration**
+Easily switch between development (in-memory data or local API) and production environments with a simple code change. This empowers rapid prototyping, robust testing, and seamless deployment.
+*   **Benefit for you:** Accelerate your development cycle and ensure your app is always ready for any deployment scenario. 🚀
+
 #### 🌍 **Localization Ready**
 Fully internationalized with working English and Arabic localizations (`.arb` files). Adding more languages is straightforward.
 *   **Benefit for you:** Easily adapt your application for a global audience. 🌐