GasFilterComponent (#2935)

* GasFilterComponent

* Client ignore component

* Diff fixes

* diff fix 2

Co-authored-by: py01 <pyronetics01@gmail.com>

Content.Shared/GameObjects/Components/Atmos/SharedFilterComponent.cs

@@ -0,0 +1,17 @@
+using System;
+using Robust.Shared.Serialization;
+
+namespace Content.Shared.GameObjects.Components.Atmos
+{
+    [Serializable, NetSerializable]
+    public enum FilterVisuals
+    {
+        VisualState
+    }
+
+    [Serializable, NetSerializable]
+    public class FilterVisualState
+    {
+
+    }
+}