.install & conf.d - change /var/lib/plex to /data/storage/disk0/media/plex
conf.d - change /tmp to data/storage/disk0/media/plex/tmp
plex-media-server.install - add check for data/storage/disk0/media/plex/tmp and create if needed
plex-media-server.install - add_service.sh in post_install; remove_service.sh in post_remove
PKGBUILD - move creation of /data/storage/disk0/media/plex to .install
PKGBUILD - add plexmediascanner.sh