BrikSim Beta 2.0.1.

This is a quality of life release to BrikSim Beta 2.0. it fixes bugs + cut features from the initial Beta 2.0 release.
BrikSim 2.0.1 adds:
* Music in the tutorial level.
* Re-added the old level select menu, you can access it by pressing the purple arrow in the play menu.
* Main Menu button animations.
* Support for 4:3 and 5:4 aspect ratios.

BrikSim 2.0.1 Fixes/changes:
* Changed the icon logo.
* Changed the boot background.
* Voice lines that play at the end of level 2 and level 3 actually play now.
* Reticle toggle actually works in level 1, level 2, level 3, level 4 and level 5.
* Play menu would bug out when closing and re-opening it while the music level was selected.
* Pressing play on the music level while it was not unlocked would not show "Failed to load" screen.
* Opening the pause quit menu, then pressing either hints or settings would cause the "Quit To..." button to disappear.
* Having the tutorial hints UI open, then pausing and unpausing the game would lock the cursor in place but keep the menu open.
* Menu Spinning button would not update correctly.
* Fixed the lights in level 3 turning on, then off and then back on again.
* Clicking images in the credits would not close the credits.
* Itch.io logo colour changed to green instead of red.
* Organised the dev menu.
* Fixed incorrect version strings.
* Other small tweaks.