* N°7793 Add common SCSS variables between backoffice and end-user portal
* Add shame & readme
* Move font face to common
* Inherit color functions
* Move font icon to common
* FIx breaking change introduced in lifecycle palette
* FIx breaking change introduced in base
* Move approot url to common
* Make highlightjs common variables more coherent with 3.2.1 commonization approach
* Deprecated and migrate the usage of ibo-adjust-alpha and ibo-adjust-lightness
