feat: add initial People Playground mod development kit

extracted_wiki_content/internalReference/serialisedlayerbehaviour.txt

@@ -0,0 +1,48 @@
+URL: https://wiki.studiominus.nl/internalReference/SerialisedLayerBehaviour.html
+Title: People Playground Modding - SerialisedLayerBehaviour
+==================================================
+
+public class SerialisedLayerBehaviour
+Inherits MonoBehaviour
+No description provided
+Fields
+public OptionalInt SortingLayerID
+No description provided
+
+public OptionalInt SortingOrder
+No description provided
+
+public readonly static float NearbySearchRadius
+No description provided
+
+public (int id, int order) OriginalSorting
+[SkipSerialisation]
+No description provided
+
+Methods
+public static (int id, int order) GetSortingFor(PhysicalBehaviour phys)
+No description provided
+
+public static void SetSortingFor(PhysicalBehaviour phys, int sortingLayerId, int sortingOrder)
+No description provided
+
+public void SetOrder(int layerId, int order)
+No description provided
+
+public void SetOrder(OptionalInt layerId, OptionalInt order)
+No description provided
+
+public void MoveLayer(int delta)
+Simplified layering method. This operation is quite expensive.
+
+public static bool FindTopmostAround(Vector2 point, int sortingLayerId, out PhysicalBehaviour result, out int sortingOrder)
+No description provided
+
+public static bool FindBottommostAround(Vector2 point, int sortingLayerId, out PhysicalBehaviour result, out int sortingOrder)
+No description provided
+
+public void SendToBack()
+Move behind all nearby objects. This operation is quite expensive.
+
+public void BringToFront()
+Move in front of all nearby objects. This operation is quite expensive.