Add documentation
Add documentation

I need a bit of documentation for myself to understand this process.

Contributes to issue CURA-1278.

ynotstartups/Wanhao,ynotstartups/Wanhao,senttech/Cura,fieldOfView/Cura,Curahelper/Cura,fieldOfView/Cura,hmflash/Cura,totalretribution/Cura,Curahelper/Cura,totalretribution/Cura,senttech/Cura,hmflash/Cura