* Add word timestamps and confidence scores
* Create a separate forward_with_cross_qk function
* Move multiple ops from np to mlx, clean comments
* Save alignment_heads
* Cast qk to fp32
* Add test for word-level timestamps and confidence scores
* format + readme
* nit
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Co-authored-by: Awni Hannun <awni@apple.com>
* Add option to load customized mlx model
* Add quantization
* Apply reviews
* Separate model conversion and loading
* Update test
* Fix benchmark
* Add notes about conversion
* Improve doc