Re-organize all projects (#4166)

Content.Shared/Stacks/StackVisuals.cs

@@ -0,0 +1,21 @@
+#nullable enable
+using System;
+using Robust.Shared.Serialization;
+
+namespace Content.Shared.Stacks
+{
+    [Serializable, NetSerializable]
+    public enum StackVisuals : byte
+    {
+        /// <summary>
+        /// The amount of elements in the stack
+        /// </summary>
+        Actual,
+        /// <summary>
+        /// The total amount of elements in the stack. If unspecified, the visualizer assumes
+        /// its
+        /// </summary>
+        MaxCount,
+        Hide
+    }
+}