Predict two-way levers (#25043)

* Predict two-way levers

Annoys me the rare occasions I touch cargo. Doesn't predict the signal but at least the lever responds immediately.

* space

* a

Content.Shared/DeviceLinking/Components/TwoWayLeverComponent.cs

@@ -0,0 +1,26 @@
+using Robust.Shared.GameStates;
+using Robust.Shared.Prototypes;
+
+namespace Content.Shared.DeviceLinking.Components;
+
+/// <summary>
+/// Simple ternary state for device linking.
+/// </summary>
+[RegisterComponent, NetworkedComponent, AutoGenerateComponentState]
+public sealed partial class TwoWayLeverComponent : Component
+{
+    [DataField, AutoNetworkedField]
+    public TwoWayLeverState State;
+
+    [DataField, AutoNetworkedField]
+    public bool NextSignalLeft;
+
+    [DataField]
+    public ProtoId<SourcePortPrototype> LeftPort = "Left";
+
+    [DataField]
+    public ProtoId<SourcePortPrototype> RightPort = "Right";
+
+    [DataField]
+    public ProtoId<SourcePortPrototype> MiddlePort = "Middle";
+}