putting `diu_kiosk.sh` into bus/bin/ directory

aux/deploy-busunit-interactive

@@ -237,6 +237,7 @@ sudo bash -c " cd /home/bus/bin ; cp -fRL $bd/scripts/unpack_server_data.sh . "
 
 sudo bash -c " cd /home/bus/bin ; cp -fRL $bd/scripts/say . "
 sudo bash -c " cd /home/bus/bin ; cp -fRL $bd/scripts/volumeset . "
+sudo bash -c " cd /home/bus/bin ; cp -fRL $bd/scripts/start-kiosk.sh . "
 
 sudo bash -c " cd /home/bus/config ; cp -fRL $diudir/html . ; "
 sudo bash -c " cd /home/bus/config ; cp $bd/passdb/init.scm . ; cp $bd/passdb/rfid_patterns.txt . ; cp $bd/avls/avls_freq.txt . "