Move mind role components to shared (#39606)

Content.Shared/Roles/Components/GhostRoleMarkerRoleComponent.cs

@@ -0,0 +1,9 @@
+using Robust.Shared.GameStates;
+
+namespace Content.Shared.Roles.Components;
+
+/// <summary>
+/// Added to mind role entities to tag that they are a ghostrole.
+/// </summary>
+[RegisterComponent, NetworkedComponent]
+public sealed partial class GhostRoleMarkerRoleComponent : BaseMindRoleComponent;