light refactoring/rework (#19314)

Co-authored-by: deltanedas <@deltanedas:kde.org>

Content.Shared/Light/Components/RotatingLightComponent.cs

@@ -0,0 +1,21 @@
+using Robust.Shared.GameStates;
+
+namespace Content.Shared.Light.Components;
+
+/// <summary>
+/// Animates a point light's rotation while enabled.
+/// All animation is done in the client system.
+/// </summary>
+[RegisterComponent, NetworkedComponent, AutoGenerateComponentState(true)]
+[Access(typeof(SharedRotatingLightSystem))]
+public sealed partial class RotatingLightComponent : Component
+{
+    /// <summary>
+    /// Speed to rotate at, in degrees per second
+    /// </summary>
+    [DataField("speed")]
+    public float Speed = 90f;
+
+    [ViewVariables, AutoNetworkedField]
+    public bool Enabled = true;
+}