docs:update README.md

Author: Njumbi

README.md

@@ -26,8 +26,7 @@ The app displays a list of Disney character names and images using DiffUtils:
 
 ## General Preview
 
-<a href="url">< height="550"  ></a>
-
+<img src="https://raw.githubusercontent.com/Njumbi/Using_Diff_Utils_In_a_Recyclerview/master/app/src/main/res/drawable/screenshot.png" height="50%" width="50%" title="explore" />
 ## Permissions
 
 You need to allow the internet permissions before running the app:
@@ -37,16 +36,14 @@ You need to allow the internet permissions before running the app:
 Clone the project
 
 ```bash
-
+    https://github.com/Njumbi/Using_Diff_Utils_In_a_Recyclerview.git
 ```
 ## Run Project
 
 Go to android studio compile and install dependencies
 
 Run the app on your emulator or device
 
-
-
 ## Dependencies
 
 - Retrofit/Gson