command /gm <number> [<player>]:
    description:Shortcut for /gamemode
    usage:/gm (number) 0=Survival 1=Creative 2=Adventure
    trigger:
        player is an op        
        if argument 1 is 0:
            set player's gamemode to survival
            message "&6Set player's gamemode to &r&4Survival" to the player
            stop
            
        if argument 1 is 1:
            set player's gamemode to creative
            message "&6Set player's gamemode to &r&4Creative" to the player
            stop

        if argument 1 is 2:
            set player's gamemode to adventure
            message "&6Set player's gamemode to &r&4Adventure" to the player
            stop