Doc/update readme (#138)
Doc/update readme (#138)

* Update README about setting wovnrb

`supported_langs` is a mendatory setting that was missing from the doc,
this change adds it. Other "required" setting were documented but not
set in the full exemple setting, this change also add these "required"
settings to the full exemple.
WOVNio/wovnrb,WOVNio/wovnrb,WOVNio/wovnrb,WOVNio/wovnrb