Asset sources:

• desmodder.png: https://www.desmos.com/calculator/ul4fvvup6m
• logo.svg: Inkscape "Path > trace bitmap" on desmodder.png (much simpler output than an svg asyncScreenshot), then position correctly

In /public:

• icon128.png, icon48.png: replace desmodder.png border white with transparent, then scale to needed size