Update README.md

Author: Pranav2092

README.md

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 # Dijkstra-Algorithm-Visualizer
 In this project I have created a front-end web development project using HTML, CSS, JavaScript and ReactJS. I have created a visualizer for the working of shortest path finding algorithm - Dijkstra's Algorithm. 
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+View the Demonstration on Youtube : https://www.youtube.com/watch?v=QvhuS8RbE_8