api: add get/set min level to Scene

runelite-api/src/main/java/net/runelite/api/Scene.java

@@ -39,6 +39,20 @@ public interface Scene
 	int getDrawDistance();
 	void setDrawDistance(int drawDistance);
 
+	/**
+	 * Get the minimum scene level which will be rendered
+	 *
+	 * @return the plane of the minimum level
+	 */
+	int getMinLevel();
+
+	/**
+	 * Set the minimum scene level which will be rendered
+	 *
+	 * @param minLevel the plane of the minimum level
+	 */
+	void setMinLevel(int minLevel);
+
 	/**
 	 * Remove a game object from the scene
 	 * @param gameObject