Changes 06/21 - 1

Slight modifications to the player's sprite.

Added an "Intro" animation when the game starts.

*To fix later*: Due to how I implemented this and how I made the sprite, there is a weird thing going on when the animation plays, cuz I had to offset the animation 16px on the y axis when it plays the intro, then undo it when it ends. Yes, this is terrible, but it will work for now

Modifications to the game over message. It will now display "Play Again?", instead of "Space Dodge"

The player will now be always facing upwards when a new game starts.