ghost locator maints loot (#32323)

* implement

* react to revenants/AI eye

* rare maints loot

* sprite

* description

* review

Co-authored-by: slarticodefast <161409025+slarticodefast@users.noreply.github.com>

* do changes

* stats

* networked

---------

Co-authored-by: slarticodefast <161409025+slarticodefast@users.noreply.github.com>

Content.Shared/Ghost/SpectralComponent.cs

@@ -0,0 +1,9 @@
+using Robust.Shared.GameStates;
+
+namespace Content.Shared.Ghost;
+
+/// <summary>
+/// Marker component to identify "ghostly" entities.
+/// </summary>
+[RegisterComponent, NetworkedComponent]
+public sealed partial class SpectralComponent : Component { }