[IMP] doc: add profiler example
[IMP] doc: add profiler example

The built-in Odoo profiler can be used directly into the logs. This
information was not given in the documentation. This commit add it. An
example on how to use is shown as well as the produced result.

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