feat: add initial People Playground mod development kit

extracted_wiki_content/internalReference/linkdevicetool.txt

@@ -0,0 +1,41 @@
+URL: https://wiki.studiominus.nl/internalReference/LinkDeviceTool.html
+Title: People Playground Modding - LinkDeviceTool
+==================================================
+
+public abstract class LinkDeviceTool
+Inherits ToolBehaviour
+No description provided
+Fields
+protected LineRenderer lineRenderer
+No description provided
+
+protected Material WireMaterial
+No description provided
+
+protected float WireWidth
+No description provided
+
+protected Color WireColor
+No description provided
+
+Methods
+public override void OnSelect()
+No description provided
+
+public override void OnHold()
+No description provided
+
+public override void OnDeselect()
+No description provided
+
+protected abstract void OnLinkCreate(Vector2 localFrom, Vector2 localTo, PhysicalBehaviour a, PhysicalBehaviour b)
+No description provided
+
+public override void OnFixedHold()
+No description provided
+
+public override void OnToolChosen()
+No description provided
+
+public override void OnToolUnchosen()
+No description provided