Re-organize all projects (#4166)

Content.Shared/Singularity/SingularitySoundMessage.cs

@@ -0,0 +1,21 @@
+#nullable enable
+using System;
+using Robust.Shared.GameObjects;
+using Robust.Shared.Serialization;
+
+namespace Content.Shared.Singularity
+{
+    [Serializable, NetSerializable]
+    public class SingularitySoundMessage : ComponentMessage
+    {
+        public bool Start { get; }
+
+        public SingularitySoundMessage(bool start)
+        {
+            Directed = true;
+            Start = start;
+        }
+    }
+
+
+}