feat: add initial People Playground mod development kit

extracted_wiki_content/internalReference/exportgamedebuginfobehaviour.txt

@@ -0,0 +1,13 @@
+URL: https://wiki.studiominus.nl/internalReference/ExportGameDebugInfoBehaviour.html
+Title: People Playground Modding - ExportGameDebugInfoBehaviour
+==================================================
+
+public class ExportGameDebugInfoBehaviour
+Inherits MonoBehaviour
+That one button in the information menu that generates a file full of useful debugging information
+Methods
+public static string GetDebugInfoString()
+Builds and returns the contents of the debug info file
+
+public void Export()
+Builds and saves the debug info file, then shows a dialog box asking the user if they want to open the file.