* concatenate config.h to 64key directory
* move rules.mk to 64key directory
This commit makes the firmware actually compile.
* insert complete rules.mk contents
Conforms the file to QMK's template.
* move info.json to 64key directory
* remove concertina.h
This file no longer serves a purpose now that everything is in the 64key directory.
* complete 64key readme.md
Conforms the file more to QMK's template.
