Add stylized theme to MainMenu (#12)

* Add stylized theme to MainMenu
Increase message queue memory size by 4
Add default_theme.theme
Refactor SampleGame.gd to better account for refactoring via @export nodes
Properly aligne SampleGame scene
Reorganize MainMenu into its own directory
Add main_menu_border_paper.png
Add main_menu_button.png

* Add background image to theme
Implement StyleBoxCombinedTexture
	Allows drawing an array of textures all at once
Make MainMenu Panel a PanelContainer for consistency

* Implement MainMenu button press, hover, and focus styles
Improve MainMenu button disabled style

* Add Godot's latest documentation to the README.md

0 files changed, 0 insertions, 0 deletions