Made some internal and modifications (thread things) and have the impression that KTool worked better (that is, faster flash process and faster firmware deletion) with new (WIP) krux-installer.

### Wipe a maixpy amigo

https://video.nostr.build/4775ad5bed0740bd4949f6c224de334b4d3127caedf4ea5d8ddde1d0c123bfba.mp4

### Flash a maixpy amigo

https://video.nostr.build/dedd764b31177314306d1d6f3a4ada4f5225561282227baa4eed1f4da0f4cf96.mp4