Update Hugging Face Model URLs

[ceshine]

Same as #18. This PR adjusts the model URLs to match the new Hugging Face Model names.

Example:

• Before: https://huggingface.co/Visual-Attention-Network/VAN-Tiny/resolve/main/van_tiny_754.pth.tar
• After: https://huggingface.co/Visual-Attention-Network/VAN-Tiny-original/resolve/main/van_tiny_754.pth.tar