Overlay to add missing buttons in ASCII graphics mode

[lethosor]

Including (likely a partial list):

• Bridge build direction
• Waterwheel direction

[myk002]

From buildingplan planneroverlay.lau, the list is likely:

• Bridge
• ScrewPump
• WaterWheel
• AxleHorizontal
• Rollers
• TrackStop
• PressurePlate

[lethosor]

Does that overlay already handle this? Can't tell from a quick glance

[myk002]

no -- it just tracks the vanilla panel so it knows not to intercept clicks over it.