Currently when user starts using the app and tries to 'import records' from 'Mailing List Contacts', there is no templates available to assist the user. This commit adds import template for mailing contacts to assist the users in importing records. taskID-2763984 closes odoo/odoo#84804 Signed-off-by: Thibault Delavallee (tde) <tde@openerp.com>