-fixed the rocket punch from omega boss going to wrong places in some of my custom bosses

updated the metadata.xml with information about the modpack that I released today

-improved the code of this mod

-fixed an unintended movement with delta attack

-added the music from the original game of the boss (can be disabled with mod config menu pure if you don't like it)
-the boss now acts a little faster
-increased the difficulty of the delta attack

-added a death animation to the boss
-fixed the boss not having shadow
-fixed the wave cannon not having a new sprite
-fixed the maelstrom attack name (previously was maelstron)

-improved the graphics of rainbow wind and wave cannon

-removed the mustard bomb attack
-added a new attack
-flamethrower is now harder
-changed the graphics of delta attack, maelstron and atomic ray

-reworked a big part of the code to avoid lag