#248 LUA Support for using a door (widget)

• new SpawnScripts function 'usedoor' function usedoor(NPC, Spawn, IsOpen) LUA Functions additionally needed:
• OpenDoor, CloseDoor, IsOpen

Example script:

function usedoor(NPC, Spawn, IsOpen)
    if IsOpen == true then
        if Spawn then
            SendMessage(Spawn, "Door was open", "red")
        end
        
        CloseDoor(NPC)
    else
        if Spawn then
            SendMessage(Spawn, "Door was closed", "red")
        end
        
        OpenDoor(NPC)
    end
end