Create the plan for image models

[lmajano]

Add the plan to support the image models of LLMs if they support it.

https://platform.openai.com/docs/guides/images-vision?api-mode=chat

[sonicrush]

Here's the proposed implementation design for allowing I/O of images to LLM models. Please let me know of any feedback you have, and if we're good to continue with this implementation.

AiImage_Implementation_Document.docx