I posted an issue to ember guides
After that I am looking for a good sample of start the foundation of documentation translate.
There are some tools ( like https://www.gnu.org/software/gettext/ )about translations dedicated to GUI or text inside of the application.
But I cannot find a good solution for the documentation.
I am interested in how open source projects deals with this problem.
And a person like me, who is not a programmer can start contribute to ember.