Create CODE_OF_CONDUCT.md

Author: Nihisil

CODE_OF_CONDUCT.md

@@ -0,0 +1,5 @@
+## Tenhou bot code of conduct:
+
+1. A robot may not injure a human being or, through inaction, allow a human being to come to harm.
+2. A robot must obey orders given it by human beings except where such orders would conflict with the First Law.
+3. A robot must protect its own existence as long as such protection does not conflict with the First or Second Law.