Update feature list in README

Go through changelogs and update the feature lists in the readmes (i nall official apps)

added part::docs part::non-technical labels

assigned to @nik

unassigned @nik

assigned to @benni

changed the description

created merge request !894 (merged) to address this issue

mentioned in merge request !894 (merged)

closed with merge request !894 (merged)

mentioned in commit 51bed295