feat: add initial People Playground mod development kit

extracted_wiki_content/internalReference/toollibrary_tool.txt

@@ -0,0 +1,37 @@
+URL: https://wiki.studiominus.nl/internalReference/ToolLibrary_Tool.html
+Title: People Playground Modding - ToolLibrary.Tool
+==================================================
+
+public struct Tool
+This nested type resides in ToolLibrary
+[System.Serializable]
+No description provided
+Fields
+public string Name
+No description provided
+
+public string Description
+[TextArea(3, 16)]
+No description provided
+
+public Sprite Icon
+No description provided
+
+public string Type
+No description provided
+
+public string ToSortBy
+No description provided
+
+public string Parent
+No description provided
+
+Methods
+public (constructor) Tool(string name, string description, Sprite icon, string type, string parent = null)
+No description provided
+
+public override bool Equals(object obj)
+No description provided
+
+public override int GetHashCode()
+No description provided