Portable scrubbers (#9417)

Content.Shared/Atmos/Visuals/PortableScrubberVisuals.cs

@@ -0,0 +1,15 @@
+using Robust.Shared.Serialization;
+
+namespace Content.Shared.Atmos.Visuals
+{
+    [Serializable, NetSerializable]
+    /// <summary>
+    /// Used for the visualizer
+    /// </summary>
+    public enum PortableScrubberVisuals : byte
+    {
+        IsFull,
+        IsRunning,
+        IsDraining
+    }
+}