Update 0.4

Fellow players!
After a few months, we have gotten the version 0.4. The game offers more things! Here, i will tell all of them.

- the game has been ported to GDevelop

- better looking things

- changed starting screen

- another level (?)

- better level sheet

- reset state button

- unlocking stages progress

- trophy after completing Obsidian region

- three new animations when upgrading

- better sfx

- better particles in every region (except last level which has no particles)

- every region ends with a level which has a bossfight music with larger cube

- seven new musics

- a few bug fixes

- old musics have been remixed into better ones (except menu one)