[Keymap] Adding my keymaps for Preonic and XD75 (#6874)

[Keymap] Adding my keymaps for Preonic and XD75 (#6874)

* Added my keymaps

* Update to readmes

* Update keyboards/preonic/keymaps/pitty/config.h

Thanks!

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

Thanks!

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

Thanks!

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

* Update keyboards/preonic/keymaps/pitty/keymap.c

Thanks!

Co-Authored-By: noroadsleft <18669334+noroadsleft@users.noreply.github.com>
* Removed copyrighted material

* Update keyboards/xd75/keymaps/pitty/keymap.c

Thanks!

Co-Authored-By: noroadsleft <18669334+noroadsleft@users.noreply.github.com>
* Update config.h

* Update config.h

* Update config.h

* Update keymap.c

* Update keymap.c

* Update config.h

* Update keymap.c

* Update keyboards/preonic/keymaps/pitty/config.h

Co-Authored-By: noroadsleft <18669334+noroadsleft@users.noreply.github.com>
* Update keyboards/preonic/keymaps/pitty/config.h

Co-Authored-By: noroadsleft <18669334+noroadsleft@users.noreply.github.com>