Fix to be able to install multiple item boxes
Until now, even if you put more than one item box, the contents were only shared
From now on you can manage it separately.
(The data of the item box of the previous version can not be used)
ESC key> Operation explanation Add link to WIKI
Respawn point change of laboratory map
Up and down double shotgun gun shooting sound change
Add vending machine item
Expansion of player information on upper left