feature: Deepseek-OCR support

[mkopcins]

Problem description

Export DeepSeek-OCR model to executorch .pte format

Proposed solution

TODO

Alternative solutions

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Benefits to React Native ExecuTorch

DeepSeek is token efficient OCR model - great addition to have

Additional context

[benITo47]

Blocker:
Currently forward method contains data dependant expert routing.