Better Documentation, new site documentation

[gogl92]

Description
Divide the README to files and put it in the docs folder

What is needed
Clear documentation

Alternatives
Update all the markdown files to create a website with generated html from the yii doc generator

Links
https://github.com/yiisoft/yii2-apidoc

[auto-comment]

Hello, thanks for your interest to this project we will review your issue as soon as possible, also we want to tell you that we are now open to users/developers who want to work in the project sponsoring or want to work as freelancer with compensations per work, more info email us contact@inquid.co
Thank you!