Install dhcp server on mesh for secondary wifi adapter hotspot

src/freedombone-image-customise

     # install tor as a possible way of routing traffic between internet gateways
     chroot "$rootdir" apt-get -yq install tor
 
+    # dhcp daemon for hotspot on secondary wifi adapter
+    chroot "$rootdir" apt-get -yq install isc-dhcp-server
+
     configure_firewall
     install_avahi
     install_batman