Added Japanese translation
Added Japanese translation

CheckiO-Missions/checkio-mission-count-neighbours,Bryukh-Checkio-Tasks/checkio-mission-count-neighbours,Bryukh-Checkio-Tasks/checkio-mission-count-neighbours,Bryukh-Checkio-Tasks/checkio-mission-count-neighbours,CheckiO-Missions/checkio-mission-count-neighbours,CheckiO-Missions/checkio-mission-count-neighbours