Integrate ComfyUI to generate default images

[reaper47]

A default image of sushi on a plate is used when a recipe has no image. There is no variety when you have a whole page of recipes without images, i.e.

The goal of this task is to integrate the ComfyUI API to generate images based on the list of ingredients. Some experimentation will be required to find the best workflow/model to generate food.

This is an optional feature as not everywhere has great graphic cards nor is everyone interested in this.