Title: Add an OTP Generator

[Varsha010101]

Is your feature request related to a problem? Please describe.

This feature is to add an OTP Generator using JavaScript.

Describe the solution you'd like.

An OTP (One-Time Password) Generator in JavaScript is a tool that generates a unique code, typically consisting of numeric or alphanumeric characters. OTPs are commonly used for user authentication, two-factor authentication and account verification processes in web applications.

Describe alternatives you've considered.

This OTP Generator will include Html and Css along with javascript.

Add any other context or screenshots about the feature request here.

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[Varsha010101]

I want to work on this. Please assign me this issue under GSSoC label.@swapnilsparsh.