Updated ACR60, Mechmini, ALU84 readme information and config.h descripters (#2231)

Updated ACR60, Mechmini, ALU84 readme information and config.h descripters (#2231)

* Updated ACR60, Mechmini, ALU84 readme information and config.h descripters

Update MECHKEYS keyboards to be uniform in readmes and config.h's PID, MANUFACTORER, and DESCRIPTIONS.   This allows the keyboards to be more uniform amongst the different types.

* Rename keyboards/alu84/keymaps/TurboMech/config.h to keyboards/alu84/keymaps/turbomech

* Rename keyboards/alu84/keymaps/turbomech to keyboards/alu84/keymaps/TurboMech/config.h

* Fixed folder naming for alu84/keymaps/turbomech

* fixed error from compile

removed double `return MACRO_NONE;` and `switch (id) {`