This commit replaces github.com/antzucaro/matchr (GPL2, introduced in v2.7.0)
with github.com/xrash/smetrics (MIT License).
Fixes issue 1404
Signed-off-by: Akihiro Suda <akihiro.suda.cz@hco.ntt.co.jp>
The new option `app.Suggest` enables command and flag suggestions via
the jaro-winkler distance algorithm. Flags are scoped to their
appropriate commands whereas command suggestions are scoped to the
current command level.
Signed-off-by: Sascha Grunert <sgrunert@suse.com>