* add controlnet tentatively
* add controlnet in python code
* implement swift part
* support 8-bit quantization
* add controlnet unload when reduce memory
* remove irrelevant changes
* add more description about controlnet option in swift
* fix some for pr and update README
* pre-allocate zero shapedArray + make multi-controlnet faster
* Image2Image Encoder
Encoder
* Scheduler and pipeline
* fix scheduler
* cli
* remove CLI comment
* disable dpm multistep solver with image2image
* clamp initial timestamp
* Store timesteps in reverse order for consistency.
* Report actual number of steps.
* uint32
* PRComments
* remove old initializer
* pr comments
* change name and add error handling
also fix 512 hard coded
* Add fix for Jpegs
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Co-authored-by: Pedro Cuenca <pedro@huggingface.co>