Adding stable/l10n-kf5 translations for "krita/3.0" branch

[Luigi Toscano]

Friedrich W. H. Kossebau ha scritto:
> Hi translation admins,
> 
> seems we forgot to set up translations for stable/l10n-kf5 when Krita 3.0 was 
> branched off.
> 
> The branch name for the stable release version is "krita/3.0".

repo-metadata fixed by Burkhard.

I renamed the files in trunk5 and then copied them to stable5 (see the other
email).

Ciao
-- 
Luigi