feat: add initial People Playground mod development kit

extracted_wiki_content/internalReference/lavabehaviour.txt

@@ -0,0 +1,42 @@
+URL: https://wiki.studiominus.nl/internalReference/LavaBehaviour.html
+Title: People Playground Modding - LavaBehaviour
+==================================================
+
+public class LavaBehaviour
+Inherits MonoBehaviour
+Lava pool controller
+Fields
+public float LavaTemperature
+Target temperature of objects that are in the lava
+
+public Collider2D Trigger
+The collider that the behaviour treats as the lava
+
+public ContactFilter2D ContactFilter
+The contact filter to decide what objects should be affected by the lava
+
+public float TransferRate
+The rate per second at which an object in the lava approaches the LavaTemperature
+
+public float Dampening
+[Range(0, 1)]
+The amount of velocity dampening (0 - 1) that objects in the lava experience
+
+public float Buoyancy
+The amount of upward (depending on gravity) force applied to objects in the lava
+
+public GameObject ImpactPrefab
+The prefab that is instantiated when an object enters the lava for the first time
+
+Methods
+public void DoSplash(Vector2 point, float size)
+Create a lava impact splash at the given location with the given size
+
+public static bool IsPointInLava(Vector3 point)
+Returns true if the given point is inside any lava pool and false otherwise.
+
+public static LavaBehaviour GetLavaAtPoint(Vector3 point)
+Returns the LavaBehaviour that the point is in. Returns null if the point does not overlap a lava pool.
+
+public static bool TryGetLavaAtPoint(Vector3 point, out LavaBehaviour lava)
+No description provided