* move SAM2 models to models/sam2, to mirror the .../ComfyUI/models/sam2
directory structure
* fix the command-line interface
* add masked output images to the test/ directory
Various changes made to make it work from the command line
- Most of the functionality has been commented out
- Gradio-specific code
- HTML UI
- Video processing
- Operation modes other than mask generation
Jan Minar