Update README.md

I forgot about the changelog and never kept up with it, so I'll just not use a changelog

huge success

finally can get training to work under the web UI

small fixes

Wiki'd

caveats while I tighten some nuts

added dropdown to select which whisper model to use for transcription, added note that FFMPEG is required

added preparation of LJSpeech-esque dataset

tab to generate the training YAML

Initial refractor

Initial commit