add more sorting algorithms- insertion sort

[priyda]

[Panquesito7]

Thanks for your interest! Feel free to make a PR as long as you follow our contributing guidelines! 🙂

[priyda]

@Panquesito7 , can you please review my changes and merge accordingly.

[mkubdev]

Hello @priyda !

You need to open a pull request from your forked repos to this one. If you need any help, tell us! ✨

[digvijay-555]

I would like to contribute to this
I have already completed the code
Please assign this to me