Alternative documentation

[v01dXYZ]

Hello, I've built an alternative documentation which is a little bit more esthetic than the current one.

Here a preview of it: https://v01dxyz.github.io/rocprim-documentation

Are you interested by this ?

[saadrahim]

Hi , Your documentation looks like an improvement over our current versions. Please consider making a pull request if you desire us to incorporate your changes into the official documentation. My initial review suggests that most of your changes can be incorporated after minor adjustments .

[doctorcolinsmith]

Closing this as the contribution has been merged