[CLA] Tact Yoshida signs Odoo CLA

Done at #25662

doc/cla/individual/otakuto.md

+Japan, 2018-07-09
+
+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,
+
+Tact Yoshida otakuto893@gmail.com https://github.com/otakuto