Re-organize all projects (#4166)

Content.Shared/MachineLinking/TwoWayLeverSignal.cs

@@ -0,0 +1,20 @@
+#nullable enable
+using System;
+using Robust.Shared.Serialization;
+
+namespace Content.Shared.MachineLinking
+{
+    [Serializable, NetSerializable]
+    public enum TwoWayLeverVisuals : byte
+    {
+        State
+    }
+
+    [Serializable, NetSerializable]
+    public enum TwoWayLeverSignal : byte
+    {
+        Middle,
+        Left,
+        Right
+    }
+}