[IMP] mail: notification template
[IMP] mail: notification template

The template used for notifications is updated. The general layout
is now

header: logo -- action buttons, contextual actions
separator
body
signature
Sent by company using Odoo

hip-odoo/odoo,ygol/odoo,ygol/odoo,ygol/odoo,hip-odoo/odoo,dfang/odoo,dfang/odoo,dfang/odoo,ygol/odoo,hip-odoo/odoo,hip-odoo/odoo,dfang/odoo,ygol/odoo,ygol/odoo,dfang/odoo,dfang/odoo,hip-odoo/odoo,hip-odoo/odoo,ygol/odoo