[Keyboard] Added 3d printable, handwired numpad by tritiumfusion (#6125)

[Keyboard] Added 3d printable, handwired numpad by tritiumfusion (#6125)

* Added tritium_numpad

Adding tritium numpad handwired 6x4 numpad design from thingiverse
user tritiumfusion.

* Updated readme with more tritiumfusion information

* Changed spacing in readme

* Changed blu keymap

* Update keyboards/handwired/tritium_numpad/config.h

Co-Authored-By: Drashna Jaelre <drashna@live.com>
* Update keyboards/handwired/tritium_numpad/config.h

Co-Authored-By: Drashna Jaelre <drashna@live.com>
* Update keyboards/handwired/tritium_numpad/config.h

Co-Authored-By: Drashna Jaelre <drashna@live.com>
* Update keyboards/handwired/tritium_numpad/keymaps/max/keymap.c

Co-Authored-By: Drashna Jaelre <drashna@live.com>
* Update keyboards/handwired/tritium_numpad/tritium_numpad.h

Co-Authored-By: Drashna Jaelre <drashna@live.com>
* Update keyboards/handwired/tritium_numpad/tritium_numpad.h

Co-Authored-By: Drashna Jaelre <drashna@live.com>
* Update keyboards/handwired/tritium_numpad/tritium_numpad.h

Co-Authored-By: Drashna Jaelre <drashna@live.com>
* Update keyboards/handwired/tritium_numpad/keymaps/ortho_left/keymap.c

Co-Authored-By: Drashna Jaelre <drashna@live.com>
* Update keyboards/handwired/tritium_numpad/keymaps/ortho_right/keymap.c

Co-Authored-By: Drashna Jaelre <drashna@live.com>
* Update keyboards/handwired/tritium_numpad/rules.mk

Co-Authored-By: fauxpark <fauxpark@gmail.com>
* Update keyboards/handwired/tritium_numpad/rules.mk

Co-Authored-By: fauxpark <fauxpark@gmail.com>
* Update keyboards/handwired/tritium_numpad/readme.md

Co-Authored-By: fauxpark <fauxpark@gmail.com>
* Removed action_function(), function_id, and MODS_CTRL_MASK

* Reformatted keymaps so that they look nicer.  Removed hackey backslashes that were there for no reason whatsoever.

* Update keyboards/handwired/tritium_numpad/readme.md

Co-Authored-By: fauxpark <fauxpark@gmail.com>
* Removed more backslashes

* Added bootmagic to tritium_numpad