feat: add initial People Playground mod development kit

extracted_wiki_content/internalReference/layereditorcontroller.txt

@@ -0,0 +1,51 @@
+URL: https://wiki.studiominus.nl/internalReference/LayerEditorController.html
+Title: People Playground Modding - LayerEditorController
+==================================================
+
+public class LayerEditorController
+Inherits MonoBehaviour
+No description provided
+Fields
+public GameObject ToyboxToggleContainer
+No description provided
+
+public GameObject Container
+No description provided
+
+public TextMeshProUGUI OrderDisplay
+No description provided
+
+public TextMeshProUGUI LayerDisplay
+No description provided
+
+public List<PhysicalBehaviour> Targets
+No description provided
+
+Properties
+public static LayerEditorController Instance { get; private set; }
+No description provided
+
+public bool IsOpen
+No description provided
+
+Methods
+public void Show()
+No description provided
+
+public void Hide()
+No description provided
+
+public void RawOffsetLayer(bool sign)
+No description provided
+
+public void RawOffsetOrder(bool sign)
+No description provided
+
+public void MoveLayer(int delta)
+No description provided
+
+public void BringToFront()
+No description provided
+
+public void SendToBack()
+No description provided