Experimental project on Godot 4 features

DricomDragon 188d00456f :art: Reduce number of triangles		2 lat temu
godot	9bd45cfd21 :tada: Add ball	2 lat temu
netnet	634f682d60 :art: Reduce number of triangles	2 lat temu
.gitignore	d789bd0da2 :eyes: Ignore godot cache	2 lat temu
README.md	8d78af8bcb :memo: Create README	2 lat temu

Godot 4 Lab

First experimental Godot 4 project.