Scrap Ships v0.4

Added a Scrap meter with a little ship camera

Added a new notification that explains the downgrade mechanic

Shogun looked too much of a typo, changed to Shotgun

Added a pause menu (Button in the top right or toggle with Escape)

Shotgun spread tightened

New Tier

 - Spark (Rapidfire)

 - Breach (Heavy Shotgun)

 - Suppressor (Rapid split gun)

 - Artillery (Quick Heavy gun)