feat: add initial People Playground mod development kit

extracted_wiki_content/internalReference/inputaction.txt

@@ -0,0 +1,49 @@
+URL: https://wiki.studiominus.nl/internalReference/InputAction.html
+Title: People Playground Modding - InputAction
+==================================================
+
+public struct InputAction
+[Serializable]
+No description provided
+Fields
+public string Name
+No description provided
+
+public KeyCode Key
+No description provided
+
+public KeyCode SecondaryKey
+No description provided
+
+public bool InvisibleInMenu
+No description provided
+
+public ActionCategory Category
+No description provided
+
+public ActionUniverse Universe
+No description provided
+
+Methods
+public (constructor) InputAction(string name, ActionCategory category, KeyCode key, KeyCode secondary = KeyCode.None)
+No description provided
+
+public bool IsHeld()
+No description provided
+
+public bool IsReleased()
+No description provided
+
+public bool IsPressed()
+No description provided
+
+public string GetDisplayText()
+No description provided
+
+public void SimulateDown()
+[System.Obsolete]
+No description provided
+
+public void SimulateUp()
+[System.Obsolete]
+No description provided