Add Differential Diffusion to HunyuanDiT. (#9040)
* Add Differential Pipeline.
* Fix Styling Issue using ruff -fix
* Add details to Contributing.md
* Revert "Fix Styling Issue using ruff -fix"
This reverts commit d347de162d5293f58f5ea2356ee6ddfcb97cf824.
* Revert "Revert "Fix Styling Issue using ruff -fix""
This reverts commit ce7c3ff216e70b5420f6564865dc0f2bab5d8cd1.
* Revert README changes
* Restore README.md
* Update README.md
* Resolved Comments:
* Fix Readme based on review
* Fix formatting after make style
---------
Co-authored-by: Aryan <aryan@huggingface.co>
