Save more interactive choices

src/freedombone

   echo "LOCAL_NETWORK_STATIC_IP_ADDRESS=$LOCAL_NETWORK_STATIC_IP_ADDRESS" >> freedombone.cfg
   echo "ROUTER_IP_ADDRESS=$ROUTER_IP_ADDRESS" >> freedombone.cfg
   echo "ENABLE_CJDNS=$ENABLE_CJDNS" >> freedombone.cfg
+  echo "DEBIAN_REPO=$DEBIAN_REPO" >> freedombone.cfg
+  echo "NAMESERVER1=$NAMESERVER1" >> freedombone.cfg
+  echo "NAMESERVER2=$NAMESERVER1" >> freedombone.cfg
   if [ $WIKI_TITLE ]; then
       echo "WIKI_TITLE=$WIKI_TITLE" >> freedombone.cfg
   fi