DIODE_DIRECTION
* Enforce definition of `DIODE_DIRECTION` for non-custom matrix boards * Define diode direction for failing boards * Matching parentheses * Put onekey diode directions in top level config
* Add Levinson Rev 3 * Update keyboards/keebio/levinson/rev3/config.h Co-Authored-By: Drashna Jaelre <drashna@live.com> * Update keyboards/keebio/levinson/rev3/config.h Co-Authored-By: Drashna Jaelre <drashna@live.com>