keymap for idobo (#6250)

keymap for idobo (#6250)

* greenshadowmaker keymap for idobo xd75 massdrop

* remove uneeded config.h

* corrected format to match convention instead of xd75 where I accidentally started from

* fixed errors and added arrows bottom right to match my other layouts

* updated readme

* right arrow fix

* Update keyboards/idobo/keymaps/greenshadowmaker/keymap.c

removing unnecessary part, copied from different keymap

Co-Authored-By: fauxpark <fauxpark@gmail.com>
* added suggested changes

* removed unneded elements