Flappy Bird Update 1.1.0

Here is what this update introduces to the game.

What's new:

1. Added a Main Menu to the game instead of starting immediately.

2. Made the game increase difficulty over time.

3. Added sound effects when increasing the player's score and background music.

4. Added a pause menu to the game giving the ability to players to pause the game when needed.

5. Added a High Score system when the player surpass their current score.