Add US endpoint
Add US endpoint

Add the us endpoint

Signed-off-by: Quentin GROLLEAU <4f00920e1fb713f96617791eb3f3782825769bc7@corp.ovh.com>
(cherry picked from commit 89ee0b65cfc4788b4dceddf6b3ce7e7d598735e2)

arnaudmorin/python-ovh,arnaudmorin/python-ovh