Add the option to replace the menu screen with a 360 screenshot where you last stood on save and exit

Great idea. I think this would be a good (optional) addition still in scope for this mod.

Most panorama screenshot projects on Modrinth are ARR, but this one is CC0 licensed so maybe the source code is useful to look at: https://github.com/Oricana-16/Panoramics/tree/main