Epseranto flag

[Andriy Rysin]

I have this "Add the Esperanto flag (please)" but 
(https://bugs.kde.org/show_bug.cgi?id=264533) and I don't feel like this 
flag belongs to just keyboard indicator. So the question is whether we 
have or should have Esperanto flag somewhere in common place?
And all the flags we have currently belong to countries so I am not even 
sure where it would belong.

Thanks
Andriy