Remove misleading automatic Diffusers snippet

Add Tutu MiniMax-H3 20-to-8 NFE LoRA checkpoints 200 and 300 for ComfyUI

Add Tutu MiniMax-H3 20-to-8 NFE LoRA checkpoint 300 for Diffusers

Add Tutu MiniMax-H3 20-to-8 NFE LoRA checkpoint 200 for Diffusers

Update usage, links, limitations, and training plan

Add Tutu MiniMax-H3 20-to-8 NFE LoRA checkpoint 100 for Diffusers

Update model card with final release information

Add Tutu MiniMax-H3 20-to-8 NFE LoRA checkpoint 100 for ComfyUI

Add model card and release metadata

initial commit