Inclusion of Japanese colors

[BradKML]

Main sources being

• https://www.colordic.org/w
• https://nipponcolors.com/
• https://www.wikiwand.com/en/Traditional_colors_of_Japan
• http://kidorakujapan.com/know/others_color.html
• https://iwabijin.wordpress.com/japanese-traditional-colors/
• https://www.stefanimhoff.de/traditional-colors-of-japan/
• https://simplicable.com/new/japanese-colors