Singularity Shaders and a lot of Shader Stuff (#2517)

* Beginnings of singulo shader

* LOTS of changes!!

* Minor changes

* Singulo stuff

* Aesthetic changes to singulo

* Combining singulo change

* ShaderAura uses IEntities now, not IPlayerSession

* Fixes?

* Fixes draw order for atmos

* using fix

* Address reviews

* nuget.config whaaa

* nuget haha

* nuget why are you so dum

* happy now

* Preparing for omegachange

* Merge from seventh level of hell

* woork

* Ignorecomponents add

* mmf

* RobustToolbox?

* Fixes

* Fixes Robust?

* adds sprite

* Nullables

* Crit overlay stuff

* Commits Robust

Content.Client/GameObjects/Components/Singularity/ToySingularityComponent.cs

@@ -0,0 +1,19 @@
+using Robust.Shared.GameObjects;
+
+namespace Content.Client.GameObjects.Components.Singularity
+{
+
+    [RegisterComponent]
+    [ComponentReference(typeof(IClientSingularityInstance))]
+    public class ToySingularityComponent : Component, IClientSingularityInstance
+    {
+        public override string Name => "ToySingularity";
+        public int Level {
+            get {
+                return 1;
+            }
+            set {
+            }
+        }
+    }
+}