Dl-translate

What's Changed
* Update README.md by xhluca in https://github.com/xhluca/dl-translate/pull/60
* Make tqdm optional cause it interferes with thread monkey patching in gevent by ddorian in https://github.com/xhluca/dl-translate/pull/61
* Update setup.py by xhluca in https://github.com/xhluca/dl-translate/pull/62

New Contributors
* ddorian made their first contribution in https://github.com/xhluca/dl-translate/pull/61

**Full Changelog**: https://github.com/xhluca/dl-translate/compare/v0.3.0...v0.3.1

New

* NLLB is now available, allowing you to translate up to 200 languages. It is also much faster.
* Notebook demo for nllb


Changed

* New minimum version of transformers (4.30+) and PyTorch (2.0+)
* Modify behavior of `_resolve_lang_codes`
* Moved certain hidden functions to `utils`

Fixed
* `dlt.utils:` Changed default for `available_languages`, ` get_lang_code_map`, `available_codes`. Previously was incorrectly set to `mbart50`.

Docs
* Improved Readme with examples for nllb
* Removed mentions of readthedocs.io
* Change language reference to table (previously bullet points)

Update readme with link to new docs