Renamed scripts folder and added common helper functions

Signed-off-by: Byron Sanchez <byron@hackbytes.com>
Added a helper script for mpc

This script is intended to be used with a keybinder program, like xbindkeys
which is what I use. The script makes notifications with the keybind program
simpler to manage! Otherwise, it makes sense to use mpc directly.

Signed-off-by: Byron Sanchez <byron@hackbytes.com>