added support for keyboard nico from neson design

[yulei]

Description

added support for nico

QMK Pull Request

#20686

qmk/qmk_firmware#20686

Checklist

• [ x] The VIA support for this keyboard is MERGED in QMK master already (MANDATORY)
• [x ] The VIA definition follows the guide here: https://caniusevia.com/docs/layouts
• [x ] I have a V3 JSON version for this keyboard definition.(MANDATORY)
• [x ] I have tested this keyboard definition using VIA's "Design" tab.
• [x ] I have tested this keyboard definition with firmware on a device.
• [ x] I have assigned alpha keys and modifier keys with the correct colors.
• [x ] The Vendor ID is not 0xFEED

[Xelus22]

https://www.caniusevia.com/docs/layouts#kle-json-rules

Please colour in the KLE

[yulei]

https://www.caniusevia.com/docs/layouts#kle-json-rules

Please colour in the KLE

color was added.