unify the enrollment of users by usb drives or local

-- add refresh button (Cristian)

-- check if the user is root (id -r -u)

-- add main screen to root user (Cristian)

-- check if the user is a server user (Thiago)

-- create add HD user (Thiago)

ID RANGES(add variables)

10000-19999 - USB DRIVE

20000-29999 - LOCAL USER

30000-39999 - GLOBAL ID

--

add user