[CLA] signature for OpenCode

closes odoo/odoo#41829

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

doc/cla/individual/opencode.md

+Italy, 2019-12-16
+
+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,
+
+Francesco Apruzzese cescoap@gmail.com https://github.com/OpenCode