Update README.md

Author: itsvinayak

README.md

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 [![contributions welcome](https://img.shields.io/static/v1.svg?label=Contributions&message=Welcome&color=0059b3&style=flat-square)](https://github.com/TheAlgorithms/Javascript/blob/master/CONTRIBUTING.md) 
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 ![Node CI](https://github.com/TheAlgorithms/Javascript/workflows/Node%20CI/badge.svg)
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 ### All algorithms implemented in JavaScript (for educational purposes only)