odoo/documentation#8888

Created by fw-bot
label
odoo-dev:saas-16.3-16.0-inventory-third-party-shipper-feku-8HqI-fw
head
3a549b72a3369b8976388f9d22da181436e7be05
target
saas-16.3
merged
1 month ago by Felicia Kuan (feku)
forward-port of
odoo/documentation#8634

[FW][IMP] inventory: overhaul 3rd party shippers

## Summary of changes
1. Overhaul 8 year old 3rd party shipping carrier doc to 16.0
2. Addresses @moch-odoo's [suggestions](https://www.odoo.com/web#id=3576549&cids=3&menu_id=4720&action=333&active_id=3835&model=project.task&view_type=form) to update shipping connector installation instructions
3. Add a table of shipping methods and region availability in Odoo

## FW port
Yes, all the way to master (:

[Task](https://www.odoo.com/web#id=3576549&cids=3&menu_id=4720&action=333&active_id=3835&model=project.task&view_type=form)

Forward-Port-Of: odoo/documentation#8634