fix: updated-bill-tip-calculator readme file

Author: Benrobo

Projects/bill tip calculator/readme.md

@@ -20,7 +20,7 @@ Alisha Bharti
 ![bill](https://user-images.githubusercontent.com/84632701/212969976-5abc79e1-e1b0-4712-8a1e-6801b6232c4e.png)
 
 ### After
-![bill](https://user-images.githubusercontent.com/84632701/212969976-5abc79e1-e1b0-4712-8a1e-6801b6232c4e.png)
+![bill](https://raw.githubusercontent.com/Benrobo/benrobo8.github.io/master/Screenshot%202023-07-31%20at%201.53.18%20PM.png)
 
 
 This website is really very helpful when you are planning to go out with your friends or families in restauarnt or hotels . Give a try !!!