Update value.md
Update value.md

update doc related to metric and price
orocrm/platform,hugeval/platform,ramunasd/platform,mszajner/platform,morontt/platform,trustify/oroplatform,ramunasd/platform,Djamy/platform,2ndkauboy/platform,2ndkauboy/platform,hugeval/platform,morontt/platform,northdakota/platform,trustify/oroplatform,morontt/platform,umpirsky/platform,northdakota/platform,akeneo/platform,Djamy/platform,trustify/oroplatform,ramunasd/platform,geoffroycochard/platform,umpirsky/platform,akeneo/platform,orocrm/platform,geoffroycochard/platform,geoffroycochard/platform,northdakota/platform,2ndkauboy/platform,orocrm/platform,akeneo/platform,mszajner/platform,mszajner/platform,Djamy/platform,hugeval/platform