[CLA] signature for hussain

closes odoo/odoo#136040

Signed-off-by: Martin Trigaux (mat) <mat@odoo.com>

doc/cla/individual/hussain.md

+Saudi Arabia, 2023-09-20
+
+I hereby agree to the terms of the Odoo Individual Contributor License
+Agreement v1.0.
+
+I declare that I am authorized and able to make this agreement and sign this
+declaration. 
+
+Signed,
+
+Hussain Hammad hussain.hammad@greeenboard.com https://github.com/hussain