Migrate Documentation to `documentation` directory

[YashKumarVerma]

Expected results

Separate file for each item.

Actual results

All added to readme

Steps to reproduce the issue

-Transfer content,
-Edit Readme

Would you like to work on this

Inviting All

[Tejoooo]

heyy @niccokunzmann @YashKumarVerma i am interested in solving this issue can u assign me this issue

[niccokunzmann]

Yes, please continue with it. Thanks!

[Tejoooo]

@YashKumarVerma assign me the issue