Add amplification and soundfile optional (nomadkaraoke#125)

Co-authored-by: Christiaan van Luik <[email protected]>

Bumped version to release latest fix from PR

Bumped version to release with new model support

Added support for additional models with data and config from this re…

…po rather than relying on the old UVR repos. Added first new model using this method: mel_band_roformer_karaoke_aufr33_viperx_sdr_10.1956.ckpt

Fixed output for large files by writing with soundfile if duration lo…

…nger than 1 hour

Fixed secondary stem naming for some models

Bumped version to release 0.19.2 with "Audio buffer is not finite eve…

…rywhere" fix

Fixed output for large files by writing with soundfile if duration lo…

…nger than 1 hour

Fixed tests

Bump version to trigger release