Adds Qwen, thanks Aaquib111 and andyrdt !
What's Changed
* Closes 478: Adding the Qwen family of models by Aaquib111 in https://github.com/neelnanda-io/TransformerLens/pull/477
* Add a function to convert nanogpt weights by adamkarvonen in https://github.com/neelnanda-io/TransformerLens/pull/475
New Contributors
* Aaquib111 made their first contribution in https://github.com/neelnanda-io/TransformerLens/pull/477
* adamkarvonen made their first contribution in https://github.com/neelnanda-io/TransformerLens/pull/475
**Full Changelog**: https://github.com/neelnanda-io/TransformerLens/compare/v1.12.0...v1.13.0