V2 update

Update V2:

hello anyone who was interested enough to try out this game.
this update brings a decent sized bit and has been the majority of my past few day.
with it I have added 7 new features as well as some misc stuff:

- can now shoot rubble for points and to eliminate clutter
- collecting laser charges now gives points
- new enemy object has been added when collided with it will teleport you to the teleporter in the back that 
  hovers similar to the enemy ship
- general fixes and quality of life changes
- difficulty adjustments
- added place holder sounds 
- ending screen to see ending score added
- can now press backspace to restart game upon loss or if your runs starts badly
- other misc..

cheers and hope you enjoy!