Rebase to Alpine, build from source (#147)

root/etc/services.d/qbittorrent/run

@@ -2,10 +2,5 @@
 
 WEBUI_PORT=${WEBUI_PORT:-8080}
 
-if [ -n "${UMASK_SET}" ] && [ -z "${UMASK}" ]; then
-  echo -e "You are using a legacy method of defining umask\nplease update your environment variable from UMASK_SET to UMASK\nto keep the functionality after July 2021"
-  umask ${UMASK_SET}
-fi
-
 exec \
 	s6-setuidgid abc /usr/bin/qbittorrent-nox --webui-port="${WEBUI_PORT}"