misc: Primary one conserves its index (#16)
misc: Primary one conserves its index (#16)

Moving the primary monitor to the head of the
all-monitors list causes to increase all others
monitor indexes with 1.

To avoid confusion and breaking users's static
scripts, we prefer conserving a fixed id for each
monitor regardless a reboot.

Signed-off-by: Thomas Venriès <3763bd563230c388ab69292815ec1b78b790f884@gmail.com>

StupidShellScripts/docilemons,Ventto/mons