Merge branch 'doc-netlink-add-a-yaml-spec-for-team'

Hangbin Liu says:

====================
doc/netlink: add a YAML spec for team

Add a YAML spec for team. As we need to link two objects together to form
the team module, rename team to team_core for linking.
====================

Link: https://lore.kernel.org/r/20240401031004.1159713-1-liuhangbin@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>