revert deletion of v83 phone models

Reviewed-by: https://github.com/apps/wazo-production-sf

commit 6abfbe2d

firmware link update

Reviewed-by: https://github.com/apps/wazo-production-sf

Zuul migration

Yealink v81 w52 56 new firmware

Reviewed-by: https://github.com/apps/wazo-production-zuul

yealink-v83: fix langpacks

Reviewed-by: https://github.com/apps/wazo-production-zuul

fix version entry information for w60b

Reviewed-by: https://github.com/apps/wazo-zuul

WAZO-2259: update plugins metadata

Reviewed-by: Francois Blackburn
             https://github.com/fblackburn1