[CLA] signature for mhamra

closes odoo/odoo#27943

doc/cla/individual/mhamra.md

+Argentina, 2018-10-18
+
+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,
+
+Marcelo Ariel Hamra marcelo.hamra@gmail.com https://github.com/mhamra