[Keyboard] add sm68 (#7279)
* add sm68
* update rules.mk to decrease final size (hopefully)
* update rules.mk
* update json
* update per PR comments
* remove custom keycodes from keymap
* update layout names in keymap
* change layout names
* Update keyboards/hineybush/sm68/info.json
Co-Authored-By: fauxpark <fauxpark@gmail.com>
* Update keyboards/hineybush/sm68/info.json
Co-Authored-By: fauxpark <fauxpark@gmail.com>
* Update keyboards/hineybush/sm68/info.json
Co-Authored-By: James Young <18669334+noroadsleft@users.noreply.github.com>
* update readme
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