Add cover art

From the poll, added the winning cover art (Too Many Fireworks text above picture of many fireworks).
Cover art is a fun addition to any mod description! A poll was run because I made 8 different cover art experiments and couldn't choose lol.

Author: CatsaCode

README.md

@@ -27,6 +27,7 @@ Don't think there's enough fireworks? This mod adds a variety of settings that c
 - Light rays will flicker when a size slider is moved
 - Canceling color select will not revert color
 - Sound is tied to SFX volume. If fireworks are silent, check to see if this is zero
+- As of 10 minutes before v1.0.0, the configuration file is now stored by magic
 
 ## Future Ideas
 

cover.png

@@ -8,6 +8,7 @@
   "packageId": "com.beatgames.beatsaber",
   "packageVersion": "1.37.0_9064817954",
   "description": "Don't think there's enough fireworks? This mod adds a variety of settings that can make fireworks powerful enough to explode the game itself!",
+  "coverImage": "cover.png",
   "dependencies": [],
   "modFiles": ["${binary}"],