Powered light ECS (#5028)

* Brrrr ECS

* Create lit on powered system

* Light bulb ECS

* Finishing porting to ECS

* Minor touches

* Removed events

* Removed old comments

* Fixed test

* To popup system

Content.Shared/Light/SharedLightBulb.cs

@@ -0,0 +1,27 @@
+using Robust.Shared.Serialization;
+using System;
+
+namespace Content.Shared.Light
+{
+    [Serializable, NetSerializable]
+    public enum LightBulbState : byte
+    {
+        Normal,
+        Broken,
+        Burned,
+    }
+
+    [Serializable, NetSerializable]
+    public enum LightBulbVisuals : byte
+    {
+        State,
+        Color
+    }
+
+    [Serializable, NetSerializable]
+    public enum LightBulbType : byte
+    {
+        Bulb,
+        Tube,
+    }
+}