[FEATURE] ADD Jamba Support

[TechxGenus]

Is your feature request related to a problem? Please describe. Jamba is a state-of-the-art, hybrid SSM-Transformer LLM. It delivers throughput gains over traditional Transformer-based models, while outperforming or matching the leading models of its size class on most common benchmarks.

Describe the solution you'd like https://huggingface.co/ai21labs/Jamba-v0.1

Describe alternatives you've considered A clear and concise description of any alternative solutions or features you've considered.

Additional context Add any other context or screenshots about the feature request here.