README.md updated.

README.md

@@ -1,8 +1,13 @@
 # <p align="center">BLoC Shopping</p>
 
-An app that uses 'Business Logic Component' design pattern and bloc state management.
+An app that follows The Business Logic Component (BLoC) pattern. The BLoC pattern uses Reactive Programming to handle the flow of data within an app.
 
 Through this project, I've learned:
 
--   bloc design pattern and state management.
--   singleton and factory design pattern.
+-   bloc design pattern
+-   state management
+-   singleton and factory design pattern.
+
+Screenshots of the app:
+
+<p align="center"><img src="images/bloc_shopping_home.png" width="300"> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <img src="images/bloc_shopping_cart.png" width="300"></p>