Update app.py and requirements.txt

Reorganize requirements.txt for better structure; ensure compatibility for PyTorch and related packages

Remove redundant CUDA version checks and installation commands from app.py; update requirements.txt for spconv and related packages.

Add environment variable to flash-attn installation command for CUDA compatibility and update requirements to include prebuilt wheel

Remove PyTorch wheel URL from requirements.txt

Add PyTorch wheel URL to requirements.txt for installation clarity

Reorder torch dependency in requirements.txt for consistency

Replace direct torch wheel URL with version specification in requirements.txt

Reintroduce torch installation URL in requirements.txt

Remove specific URLs for torch and flash-attn from requirements.txt

Update requirements.txt to specify exact torch and flash-attn wheel URLs

Update README and requirements.txt for Python version and dependency adjustments

Update requirements.txt to specify torch version and reintroduce flash-attn installation link

Reintroduce flash-attn installation command in app.py and update requirements.txt for dependency management

Refactor UniRigDemo to replace bash scripts with Python functions for skeleton and skinning generation; update requirements.txt to remove unnecessary dependencies.

Add skin and tokenizer systems with parsing and tokenization functionalities

Update requirements.txt to remove outdated dependencies and streamline package list

Update requirements.txt

Add initial implementation of helper functions and requirements for diffusers