signal router (#20802)

* add signal router sprite

* DisposalSignalRouter logic

* add disposal signal router

* add disposal signal router

* how did it work without this

* death

---------

Co-authored-by: deltanedas <@deltanedas:kde.org>

Content.Server/Disposal/Tube/Components/DisposalSignalRouterComponent.cs

@@ -0,0 +1,36 @@
+using Content.Server.Disposal.Tube.Systems;
+using Content.Shared.DeviceLinking;
+using Robust.Shared.Prototypes;
+
+namespace Content.Server.Disposal.Tube.Components;
+
+/// <summary>
+/// Requires <see cref="DisposalJunctionComponent"/> to function.
+/// </summary>
+[RegisterComponent, Access(typeof(DisposalSignalRouterSystem))]
+public sealed partial class DisposalSignalRouterComponent : Component
+{
+    /// <summary>
+    /// Whether to route items to the side or not.
+    /// </summary>
+    [DataField]
+    public bool Routing;
+
+    /// <summary>
+    /// Port that sets the router to send items to the side.
+    /// </summary>
+    [DataField]
+    public ProtoId<SinkPortPrototype> OnPort = "On";
+
+    /// <summary>
+    /// Port that sets the router to send items ahead.
+    /// </summary>
+    [DataField]
+    public ProtoId<SinkPortPrototype> OffPort = "Off";
+
+    /// <summary>
+    /// Port that toggles the router between sending items to the side and ahead.
+    /// </summary>
+    [DataField]
+    public ProtoId<SinkPortPrototype> TogglePort = "Toggle";
+}