Add tox node public key to the readme

src/freedombone

       systemctl status tox-bootstrapd.service
       exit 5846
   fi
+
+  systemctl restart tox-bootstrapd.service
+  TOX_PUBLIC_KEY=$(cat /var/log/syslog | grep tox | grep "Public Key" | awk -F ' ' '{print $8}')
+  if [ ${#TOX_PUBLIC_KEY} -lt 30 ]; then
+      echo 'Could not obtain the tox node public key'
+      exit 6529
+  fi
+
   configure_firewall_for_tox
 
+  if ! grep -q "Tox node" /home/$MY_USERNAME/README; then
+      XMPP_PASSWORD="$(openssl rand -base64 8)"
+      prosodyctl register $MY_USERNAME $DEFAULT_DOMAIN_NAME $XMPP_PASSWORD
+      echo '' >> /home/$MY_USERNAME/README
+      echo '' >> /home/$MY_USERNAME/README
+      echo 'Tox' >> /home/$MY_USERNAME/README
+      echo '===' >> /home/$MY_USERNAME/README
+      echo "Your Tox node public key is: $TOX_PUBLIC_KEY" >> /home/$MY_USERNAME/README
+      chown $MY_USERNAME:$MY_USERNAME /home/$MY_USERNAME/README
+      chmod 600 /home/$MY_USERNAME/README
+  fi
+
   echo 'install_tox_node' >> $COMPLETION_FILE
 }