v0.12.0-beta

update:

• add ability to customize soundtrack
• add controls in title screen and Edition menu
• update input fields appearance
• prompt user for their name when launching the game for the first time
• update: update icon to make clear when a field is editable

bugfix:

• typo in dialog window when switching tabs
• missing tooltip for keyboard layout setting
• panels duplicating their content when scrolled all the way up
• powerups points, rate and duration not reset when cancelling
• fix text size limit calculation