tile: add setter for ground object

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

@@ -61,6 +61,13 @@ public interface Tile
 	 */
 	GroundObject getGroundObject();
 
+	/**
+	 * Sets the object on the ground layer of the tile.
+	 *
+	 * @param groundObject the ground object
+	 */
+	void setGroundObject(GroundObject groundObject);
+
 	/**
 	 * Gets the wall of the tile.
 	 *