add cgc 5 (#46)
add cgc 5 (#46)

* add cgc 5

* add missed icons

* add spaces

* added examples

* update first example

* update code blocks

* add new link

* fix style

* add new link

* add new link

* update text

CSSSR/csssr.github.io,CSSSR/csssr.github.io,CSSSR/csssr.github.io