[Feature] Generative Replace Background

[colbyfayock]

Feature

Add generative replace background feature to replace background using AI.

Should just need to update URL loader and get this feature. Content below to help with writing out docs.

Usage

Replacing the background based on the image context:

replaceBackground

Or using a string prompt:

replaceBackground="fish tank"

Or using the object format:

replaceBackground={{
  prompt: 'fish tank',
  seed: 3
}}

URL Loader: cloudinary-community/cloudinary-util#167

Example Documentation Content

https://github.com/cloudinary-community/next-cloudinary/blob/main/docs/pages/cldimage/configuration.mdx?plain=1#L716-L779

https://next.cloudinary.dev/cldimage/examples#generative-replace-background

[Baroshem]

Hey @colbyfayock

I have added this feature in #228