Add a stock-model sample so "supports Hebrew out of the box" can be checked by ear

Credit RenikudPlus with a link to the actual project

Fix license: card cited CC BY-NC-SA 4.0, actual license is Fish Audio Research License; add attribution and NOTICE/LICENSE

Use the fih banner; point quick start at setup_hebrew.sh

Correct what-trains section; add caveats on training length and alpha/r

Hebrew LoRA (step 2200) + atomic IPA tokens for S2-Pro

Update README.md

initial commit