Refactor minds to be entities with components, make roles components (#19591)

Co-authored-by: ShadowCommander <10494922+ShadowCommander@users.noreply.github.com>
Co-authored-by: DrSmugleaf <DrSmugleaf@users.noreply.github.com>

Content.Server/Ghost/Roles/GhostRoleMarkerRoleComponent.cs

@@ -0,0 +1,11 @@
+namespace Content.Server.Ghost.Roles;
+
+/// <summary>
+/// This is used for round end display of ghost roles.
+/// It may also be used to ensure some ghost roles count as antagonists in future.
+/// </summary>
+[RegisterComponent]
+public sealed partial class GhostRoleMarkerRoleComponent : Component
+{
+    [DataField("name")] public string? Name;
+}