Add FTL arrival visuals (#29402)

* Add FTL arrival visuals

* weh

* Update Content.Shared/Shuttles/Components/FTLComponent.cs

Co-authored-by: Tayrtahn <tayrtahn@gmail.com>

---------

Co-authored-by: Tayrtahn <tayrtahn@gmail.com>

Content.Client/Shuttles/Systems/ShuttleSystem.cs

@@ -0,0 +1,21 @@
+using Robust.Client.Graphics;
+
+namespace Content.Client.Shuttles.Systems;
+
+public sealed partial class ShuttleSystem
+{
+    [Dependency] private readonly IOverlayManager _overlays = default!;
+
+    public override void Initialize()
+    {
+        base.Initialize();
+        InitializeEmergency();
+        _overlays.AddOverlay(new FtlArrivalOverlay());
+    }
+
+    public override void Shutdown()
+    {
+        base.Shutdown();
+        _overlays.RemoveOverlay<FtlArrivalOverlay>();
+    }
+}