updated readme

Author: suyash-srivastava-dev

readme.md

@@ -12,7 +12,7 @@ This application would help in doing the annotations of the image dataset. Then
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+**Youtube Demo Video**
 [![Youtube Demo Video](https://img.youtube.com/vi/ZICO88vXu6Y/0.jpg)](https://www.youtube.com/watch?v=ZICO88vXu6Y)
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