[Keymap] Add Emiller Personal planck layout (#4249)

[Keymap] Add Emiller Personal planck layout (#4249)

* Add emiller

* Add Num Layer

* Update QWERTY

* Update Raise and Lower

* Add right shift to match ergodox

* Update keyboards/planck/keymaps/emiller/config.h

Co-Authored-By: Emiller88 <edmund.a.miller@gmail.com>
* Update keyboards/planck/keymaps/emiller/config.h

Co-Authored-By: Emiller88 <edmund.a.miller@gmail.com>
* Update keyboards/planck/keymaps/emiller/config.h

Co-Authored-By: Emiller88 <edmund.a.miller@gmail.com>
* Update keyboards/planck/keymaps/emiller/keymap.c

Co-Authored-By: Emiller88 <edmund.a.miller@gmail.com>
* Update keyboards/planck/keymaps/emiller/keymap.c

Co-Authored-By: Emiller88 <edmund.a.miller@gmail.com>
* Update keyboards/planck/keymaps/emiller/config.h

Co-Authored-By: Emiller88 <edmund.a.miller@gmail.com>
* Add revisions

Co-authored-by: drashna <drashna@live.com>