Version Update 0.0.2.2 [Alpha].

Change

1. Now you can see stars appearing and fading in the background of space;

2. Added visual and sound effect when hitting the player;

3. Updated the sound for the menu;

4. Added completion for level 1;

5. Added music accompaniment for level 1;

6. Added engine animation for the player's ship;

7. Added engine animation for the enemy ship "Scout"