added the Unpause fonction into gameManager

src/main/java/pacmanGame/GameManager.java

@@ -64,7 +64,9 @@ public class GameManager {
 	}
 	public void Pause() {
 		isPaused = true;
-		
+	}
+	public void Unpause() {
+		isPaused = false;
 	}
 	
 }