fix: use HunYuanVL processor types for native vLLM compatibility

fix: set architectures to HunYuanVLForConditionalGeneration for native vLLM support

Add BrainOCR model code: configuration_brain_ocr.py

Add BrainOCR model code: config.json

Add processing_brain_ocr.py

Add image_processing_brain_ocr.py

Add configuration_brain_ocr.py

Add auto_map for BrainOCR model code

clean: remove license_name reference

clean: remove hf-overrides from README, handled by plugin

rebrand: rename processor classes to BrainOCR

remove auto_map (handled by vLLM plugin)

remove custom config (handled by vLLM plugin)

fix: restore processor class names for vLLM compatibility

fix: standalone config class without hunyuan_vl dependency

add auto_map for custom config class

add custom config for brain_ocr model_type

Initial release: BrainOCR with embedding optimization

initial commit