[Tails-l10n] (review)[de] wiki/src/doc/sensitive_documents.i…

Hi,
(last one for today and the next days until all is reviewed and
merged, I'll give now some time to review, it's quite some stuff now
;) but this is one really short).
Please review:

https://gitlab.com/spriver/tails.git
branch: de_index
HEAD commit: 28694b3 Initial translation, according to newly
translated pages

Cheers!
spriver