added runit

server-ce/runit/notifications-sharelatex/run.sh

@@ -0,0 +1,3 @@
+#!/bin/bash
+export SHARELATEX_CONFIG=/etc/sharelatex/settings.coffee
+exec /sbin/setuser www-data /usr/bin/node /var/www/sharelatex/notifcations/app.js >> /var/log/sharelatex/notifcations.log 2>&1