feat: add initial People Playground mod development kit

extracted_wiki_content/internalReference/mapviewbehaviour.txt

@@ -0,0 +1,17 @@
+URL: https://wiki.studiominus.nl/internalReference/MapViewBehaviour.html
+Title: People Playground Modding - MapViewBehaviour
+==================================================
+
+public class MapViewBehaviour
+Inherits MonoBehaviour
+Controls the map buttons
+Fields
+public Map Map
+Relevant map. Has to be set before Start is called by Unity.
+
+public UnityEngine.Events.UnityEvent OnSelect
+No description provided
+
+Methods
+public void Select()
+Invoked when the map is clicked