Try to make it modular if possible, so that we could manually change and adjust size and position, especially for widget bar.
Maybe adding option - always on top yes/no switch would be a good idea.

AppImage is great and this way crypTrax app will work in all Linux distributions, except maybe in Raspberry Pi OS, but for that you can just make arm version of appimage.
Maybe CoinGecko will hire you and make this their official dekstop application after this