feat(palette): add Kanagawa palette

[JonathanBytes]

Pull Request

Description

Add the "Kanagawa" palette, inspired on _The Great Wave off Kanagawa_

Type of change

• [x] New feature (non-breaking change which adds functionality)

Checklist:

• [x] My code follows the style guidelines of this project
• [x] I have performed a self-review of my own code
• [x] My changes generate no new warnings
• [x] I have checked my code and corrected any misspellings

[TheJoin95]

Looking good to me @Wabri but I let you check it as well. @JonathanBytes was the doc helpful for developing this PR?

[JonathanBytes]

Looking good to me @Wabri but I let you check it as well. @JonathanBytes was the doc helpful for developing this PR?

@TheJoin95 Crystal clear :D