Replace outdated preset list with current-gen model resolutions (Flux.1/2,
Krea, Qwen-Image, Ideogram 4.0, Ernie) grouped logically by family and
aspect ratio. Update registry DisplayName to "ComfyUI Aspect Ratio Presets".
Add .comfyignore per Comfy Registry publishing docs and gitignore
Claude/Serena tooling state.
