[Keyboard] Add nknl7en keyboard (#11590)
* Add nknl7en keyboard
A 70 keys ANSI Layout split keyboard.
Salicylic-acid3
* Update readme.md
The name, photo, and link were wrong, so they have been corrected.
* Update keyboards/nknl7en/keymaps/salicylic/keymap.c
Co-authored-by: Drashna Jaelre <drashna@live.com>
* Update keyboards/nknl7en/keymaps/salicylic/keymap.c
Co-authored-by: Drashna Jaelre <drashna@live.com>
* Update keyboards/nknl7en/keymaps/salicylic/keymap.c
Co-authored-by: Drashna Jaelre <drashna@live.com>
* Update keyboards/nknl7en/keymaps/salicylic/keymap.c
Co-authored-by: Drashna Jaelre <drashna@live.com>
Co-authored-by: Drashna Jaelre <drashna@live.com>