Add mappings for checkClick, mouseCanvasHoverX/Y

- Add mappings to use checkClick, mouseCanvasHover X and Y from
runescape-client
- Add methods to set them to runelite-api

Signed-off-by: Tomas Slusny <slusnucky@gmail.com>

runescape-api/src/main/java/net/runelite/rs/api/RSClient.java

@@ -129,6 +129,16 @@ public interface RSClient extends RSGameEngine, Client
 	@Import("gameState")
 	int getRSGameState();
 
+	@Import("checkClick")
+	@Override
+	void setCheckClick(boolean checkClick);
+
+	@Import("mouseX2")
+	void setMouseCanvasHoverPositionX(int x);
+
+	@Import("mouseY2")
+	void setMouseCanvasHoverPositionY(int y);
+
 	@Import("mouseCurrentButton")
 	@Override
 	int getMouseCurrentButton();