feat: add initial People Playground mod development kit

extracted_wiki_content/internalReference/gripbehaviour.txt

@@ -0,0 +1,46 @@
+URL: https://wiki.studiominus.nl/internalReference/GripBehaviour.html
+Title: People Playground Modding - GripBehaviour
+==================================================
+
+public class GripBehaviour
+Inherits MonoBehaviour, Messages.IUse, Messages.IOnBeforeSerialise
+No description provided
+Fields
+public PhysicalBehaviour PhysicalBehaviour
+[SkipSerialisation]
+No description provided
+
+public PhysicalBehaviour CurrentlyHolding
+No description provided
+
+public Vector3 GripPosition
+No description provided
+
+public List<Collider2D> CollidersToIgnore
+[SkipSerialisation] [NonSerialized]
+No description provided
+
+public bool isHolding
+[NaughtyAttributes.ReadOnly]
+No description provided
+
+public Vector2 NearestHoldingPos
+[HideInInspector]
+No description provided
+
+public Vector2 ConnectedAnchor
+[HideInInspector]
+For (de)serialisation. Do not touch.
+
+Methods
+public void Use(ActivationPropagation activation)
+No description provided
+
+public void RefreshNoCollide(bool ignore)
+Make sure the colliders in CollidersToIgnore don't collide with the held object
+
+public void DropObject()
+No description provided
+
+public void OnBeforeSerialise()
+No description provided