Add tile entity occlusion (#14626)

Content.Shared/Movement/Components/FloorOccluderComponent.cs

@@ -0,0 +1,12 @@
+using Robust.Shared.GameStates;
+
+namespace Content.Shared.Movement.Components;
+
+/// <summary>
+/// Applies floor occlusion to any <see cref="FloorOcclusionComponent"/> that intersect us.
+/// </summary>
+[RegisterComponent, NetworkedComponent]
+public sealed partial class FloorOccluderComponent : Component
+{
+
+}