Load GGUF models in ComfyUI

Demo summary
The video shows how to add a 'Unet Loader GGUF' node in ComfyUI and connect it to the LTXV chunk feed forward node for stable model loading.
Step-by-step
- Double-click on any empty space in the workspace
- Search for and select the 'Unet Loader GGUF' node
- Connect the loader node into the 'LTXV chunk feed forward' node
- Remove or bypass the existing diffusion model node
Options
- Use the FP8 version of the model instead of GGUF
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