Created russian.json
Created russian.json

Added russian translation
Translated by myself from English version
undisputed-seraphim/waifu2x-caffe,lltcggie/waifu2x-caffe,undisputed-seraphim/waifu2x-caffe,lltcggie/waifu2x-caffe,undisputed-seraphim/waifu2x-caffe,lltcggie/waifu2x-caffe