Update README.md

Author: Amitpnk

README.md

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 # Onion architecture with ASP.NET Core API 
 
- Implement ASP.NET Core API using Onion architecture
+WhiteApp or QuickApp API solution template which is built on Domain-Driven Design (DDD) based with all essential feature using .NET Core
+
+Onion, Clean or Hexagonal architecture: it's all the same. Which is built on Domain-Driven Desgin approach.
+
+Domain in center and building layer top of it. You can call it as Domain-centric Architecture too.
+
+* [Referenced by Article - Mark Seemann](https://blog.ploeh.dk/2013/12/03/layers-onions-ports-adapters-its-all-the-same/)
+* [Onion Architecture by Jeffrey Palermo](https://jeffreypalermo.com/2008/07/the-onion-architecture-part-1/)
+* [Clean Architecture by Robert C. Martin (Uncle Bob)
+](https://blog.cleancoder.com/uncle-bob/2012/08/13/the-clean-architecture.html)
+* [Hexagonal Architecture by Dr. Alistair Cockburn](https://alistair.cockburn.us/hexagonal+architecture)
+
 
 ## Licence Used
 [![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)
@@ -13,6 +24,8 @@ If you have found this project helpful, either as a library that you use or as a
 
 <a href="https://www.buymeacoffee.com/amitpnaik" target="_blank"><img src="https://www.buymeacoffee.com/assets/img/custom_images/orange_img.png" alt="Buy Me A Coffee" style="height: 41px !important;width: 174px !important" ></a>
 
+I do coding for fun during leisure time, but I have to pay the bills, so I also work for money :P  
+
 ## Onion architecture
 
 ![image](Assert/Onion.png)