feat: add initial People Playground mod development kit

extracted_wiki_content/internalReference/hover.txt

@@ -0,0 +1,34 @@
+URL: https://wiki.studiominus.nl/internalReference/Hover.html
+Title: People Playground Modding - Hover
+==================================================
+
+public abstract class Hover
+Inherits MonoBehaviour, Messages.IOnUserDelete
+Abstract class for GameObjects that need to be hoverable and deletable. All wires derive from this class.
+Fields
+public bool IsMouseInsideBounds
+[SkipSerialisation]
+Is true when the mouse is inside the implemented bounds.
+
+public bool IsMouseOverlapping
+[SkipSerialisation]
+Is true when the mouse is inside the implemented bounds and collider.
+
+Methods
+protected abstract Bounds GetVisualBounds()
+Should return the maximum world-space bounds.
+
+protected virtual void CheckMouseInput()
+Updates the mouse overlap variables. This has to be explicitly called by someone else.
+
+public abstract void OnUserDelete()
+Called when the player deletes this hoverable.
+
+public virtual void OnMouseOverlapEvent(bool overlap)
+Called when the mouse overlaps the collider.
+
+protected abstract bool IsMouseInsideCollider()
+Should return whether the mouse is inside the collider. If you don't need to use the collider, you can override this implementation and use whatever you want.
+
+protected virtual void OnDestroy()
+No description provided