Update README.md

Addition of DEMO video

Author: arpita-developer

README.md

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 <h1 style=text-align:center;>VerboVista Language Learning Platform</h1>
 
 ![VerboVistaWebsite](VerboVista-Website.png)
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+<hr>
+![VerboVistaDemo](https://www.youtube.com/embed/BOgLzWgwagQ)
+<hr>
 VerboVista is a comprehensive language learning platform designed to help users enhance their language skills effectively. With a user-friendly interface and a wide range of features, VerboVista offers an immersive learning experience tailored to individual needs.
 
 ## Features