[CLA] signature for tiangolo

From #13676

doc/cla/individual/tiangolo.md

+Colombia, 2016-10-04
+
+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,
+
+Sebastián Ramírez tiangolo@gmail.com https://github.com/tiangolo