Update Model Card for Encoder Decoder Model (#39272)
* update model card.
* add back the model contributors for mamba and mamba2.
* update the model card.
* Apply suggestions from code review
Co-authored-by: Steven Liu <59462357+stevhliu@users.noreply.github.com>
* Apply suggestions from code review
Co-authored-by: Steven Liu <59462357+stevhliu@users.noreply.github.com>
* update batches with correct alignment.
* update examples and remove quantization example.
* update the examples.
* Apply suggestions from code review
Co-authored-by: Steven Liu <59462357+stevhliu@users.noreply.github.com>
* update example.
* correct the example.
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Co-authored-by: Steven Liu <59462357+stevhliu@users.noreply.github.com>
