Fix image link format in README.md

Author: SagarBiswas-MultiHAT

README.md

@@ -2,7 +2,7 @@
 
 This repository contains the solution for the first Web Technologies lab task. The goal is to practice core HTML tags by recreating the layout of a donation/registration form.
 
-![](https://imgur.com/C5zDoOB)
+![](https://imgur.com/C5zDoOB.png)
 
 ### Live View: https://r3gistrati0n.netlify.app/