Add make ghost role verb (#3204)

Content.Shared/GameObjects/Components/Observer/GhostRoles/MakeGhostRoleEuiState.cs

@@ -0,0 +1,18 @@
+using System;
+using Content.Shared.Eui;
+using Robust.Shared.GameObjects;
+using Robust.Shared.Serialization;
+
+namespace Content.Shared.GameObjects.Components.Observer.GhostRoles
+{
+    [Serializable, NetSerializable]
+    public class MakeGhostRoleEuiState : EuiStateBase
+    {
+        public MakeGhostRoleEuiState(EntityUid entityUid)
+        {
+            EntityUid = entityUid;
+        }
+
+        public EntityUid EntityUid { get; }
+    }
+}