[ADD] doc: document manifest active attribute
[ADD] doc: document manifest active attribute

closes odoo/odoo#44107

X-original-commit: dc1f3f99ad9e9eea963d27c86b4162fd4cf947fa
Signed-off-by: oco-odoo <15533318955789ab09e4c2224ebf367eff32f177@users.noreply.github.com>

ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo