Language translation "Donation ext" Skouat de

[SchrottiGEReu]

Please feel free to use and include the german translation for your updated Donation Mod.
Tested with phpbb 3.3.14
Cheers

dl (Mega/.zip): https://mega.nz/file/vgMknJQK#mjVJ_ZHwoXBHji0V01umIdbNDid5rBluWFQ35uJTZGs