Purpose ======= This commit allow the users to translate their Gmail Addon. The language of the addon will be the language the user set on his preference, on his Odoo database. The translations will be downloaded from Odoo and stored in the cache, so translator can use the existing system to translate the addon. Task 2502261 See odoo/mail-client-extensions/pull/8 See odoo/odoo/pull/69288 See odoo/enterprise/pull/17711 closes odoo/odoo#69288 Related: odoo/enterprise#17711 Signed-off-by: Thibault Delavallee (tde) <tde@openerp.com>