BETA update v0.4.1

this is a small content patch to finally add all the stuff i wanted to put in 0.4 but i could'nt like a new super boss, a new package and some QoL

new:

new "bomb" package that kills every single enemy on screen

added super enemies that are just stronger enemies that appear once you have defeated at least one super boss and are more suceptible to drop packages in general

added music to the main menu

new superboss that shoots a laser beam

changed:

reduced the amount of time for the game to get more "intense"

now the pause menu will show up when you press Esc instead of space

removed music volume-adjustment slider

fixed:

fixed weird visual bug when enemy shoot animation was played

fixed particle emiting from a certan boss and your ship

fixed broken boss animation

fixed weird bug when pressing space when on pause

removed:

removed the arena theme song(sorry, i will hire a composer because that song has copyright and stuff)