feat: add initial People Playground mod development kit

extracted_wiki_content/internalReference/mapeditorselectable.txt

@@ -0,0 +1,53 @@
+URL: https://wiki.studiominus.nl/internalReference/MapEditorSelectable.html
+Title: People Playground Modding - MapEditorSelectable
+==================================================
+
+public class MapEditorSelectable
+Inherits MonoBehaviour
+No description provided
+Fields
+public int Depth
+No description provided
+
+public Bounds LocalBounds
+[System.NonSerialized]
+No description provided
+
+public bool IsSelected
+[System.NonSerialized]
+No description provided
+
+public SpriteRenderer Sprite
+[System.NonSerialized]
+No description provided
+
+public bool ResizeSprite
+No description provided
+
+public MapEditorObjectBehaviour ObjectBehaviour
+[System.NonSerialized]
+No description provided
+
+public Vector3 OriginalSize
+[HideInInspector]
+No description provided
+
+public bool Flipped
+[System.NonSerialized]
+No description provided
+
+public bool CanScaleBeSnapped
+No description provided
+
+Methods
+public bool MouseOverlaps()
+No description provided
+
+public IEnumerable<Collider2D> GetColliders()
+No description provided
+
+public void OnSelect()
+No description provided
+
+public void OnDeselect()
+No description provided