Set create_tun option after installing slapos

scripts/6-setup-re6st-slapos

 #!/bin/bash
+SLAPOS_CFG_FILE="/etc/opt/slapos/slapos.cfg"
 mkdir -p /opt/amarisoft/.amarisoft && cp -r ~/.amarisoft/* /opt/amarisoft/.amarisoft/;
-bash /root/re6st;
-bash /root/slapos
+ip -6 a show dev lo | grep "::1/" | grep 2001 || bash /root/re6st;
+stat $SLAPOS_CFG_FILE || slapos node || bash /root/slapos;
+grep "create_tun" $SLAPOS_CFG_FILE || sed -i 's/create_tap = False/create_tap = False\ncreate_tun = True/g' $SLAPOS_CFG_FILE;
+ip l show dev slaptun0 || slapos node format --now;