Flappy Bird Update 1

• Updated gravity.
• the bird now jump on the first jump instead of falling to the ground
• sound for score is now more in the middle of the pipe instead of after 
• added a frame sprite
• added play button for restart
• added score and best score in the frame
• added an implementing score on the frame when player die
• added medal 25 bronze, 50, silver and gold 75 score
• added a small image called New for when player beat best score

please note that the game is not perfect and can have bug for image or code it will be fixed with time thank you and have fun.