[rc/{xdg,zathura}] migrate XDG dirs and zathura configs to new setup

[~bandali/configs] / x / .Xresources

#include ".Xresources.d/fonts"
!#include ".Xresources.d/colors"
#include ".Xresources.d/emacs"
#include ".Xresources.d/rxvt-unicode"