Update README.md

Author: praveenkumar-programmer

README.md

@@ -6,8 +6,10 @@ A simple Counter App to demonstrate **MVVM** in android
 
 ## Model-View-ViewModel 
 
-**Latest Upadte**  
-Added **MeltDown** Functionality that survives activty lifecycle changes and orientation changes.  
+**Latest Updatte**  
+
+=> Added **ROOM Persistence Library**. The app can now store the last known count value on to the persistent storage and can restore the value on reopening.
+=> Added **MeltDown** Functionality that survives activty lifecycle changes and orientation changes.