Add Custom Game Support to Library

Hi Hydra team,

First of all, thank you for your amazing work on the launcher — it's really convenient and stylish.

I have a small feature suggestion:
Could you please add the ability to manually add non-Hydra games or applications to the library?

For example, being able to add programs like TLauncher or any other standalone games, so they can be launched directly through Hydra, just like native games.
It would be great to select an .exe file, set a name/icon, and have it appear in the main library.

This would make Hydra even more flexible and useful for users who have games installed from other sources.

Thanks again for your work — looking forward to future updates!

Best regards, Mokalits