[Flux] Move BFL LoRA models to the correct folder

Upload FLUX.1-dev-ControlNet-Union-Pro.safetensors

[Flux] Added BFL Depth lora model

[Flux] Added BFL Canny lora model

[SDXL] Moved all controlnets to a separate folder

Upload xinsir-controlnet-union-promax-1.0.safetensors.safetensors

Upload xinsir-controlnet-union-1.0.safetensors

Rearranged the files