Add NextGenCSS for CSS or SASS

[rudransh61]

Hi,
Your repository is very good for helping junior engineers to make their first pr,

I found a repository called NextGenCSS https://github.com/rudransh61/NextGenCSS-
It is a very beginner friendly and easy to start with some basic knowledge of CSS and sass

I hope you will add this in your repo

Thanks for reading

[rudransh61]

@MunGell
Pls review this issue