[web] Add datadir-url configuration option (closes #5204550) Makes it possible to use a different host for static data instead of ${base_url}/data

#! /bin/sh -e

if [ -x "/etc/init.d/cubicweb-ctl" ]; then
    invoke-rc.d cubicweb-ctl restart || true
fi
 
 
#DEBHELPER#
 
exit 0