Add Anima modular pipeline (#13732)
* Add Anima pipeline
* Fix empty Anima negative prompts
* Fix Anima registration
* Clean up Anima conditioner
* Refactor Anima to modular
* Use modular loader in Anima docs
* Move Anima text conditioner
* Apply style fixes
* Address Anima review nits
* Fix Anima rotary autocast
* Clean up Anima LoRA checks
* Update Anima model id
* Document Anima LoRA loader
* Document Anima conditioner forward
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Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
Co-authored-by: YiYi Xu <yixu310@gmail.com>
