Update authors

Docs/Urho3D.dox

@@ -222,6 +222,7 @@ Urho3D development, contributions and bugfixes by:
 - yushli
 - zlum
 - ChrisDenham
+- Katekov Anton
 
 Urho3D is greatly inspired by OGRE (http://www.ogre3d.org/) and Horde3D (http://www.horde3d.org/). Additional inspiration & research used:
 

README.md

@@ -176,6 +176,7 @@ Urho3D development, contributions and bugfixes by:
 - yushli
 - zlum
 - ChrisDenham
+- Katekov Anton
 
 Urho3D is greatly inspired by OGRE (http://www.ogre3d.org) and Horde3D
 (http://www.horde3d.org). Additional inspiration & research used: