Spring-ai Add support for multimodal embedding model

Any plans on extending the embeddings model API to support multimodal embedding models such as the one from Vertex AI? https://cloud.google.com/vertex-ai/generative-ai/docs/embeddings/get-multimodal-embeddings

Comment From: tzolov

Related to https://github.com/spring-projects/spring-ai/issues/1009

Comment From: thingersoft

@tzolov Thank you, I'll give it a try as soon as the PR will be merged.

Related to #1009

There's a typo in issue reference...

Comment From: csterwa

@thingersoft does the VertexAI embedding enhancement provide the multimodal capability you were looking for?

Comment From: kevintsai1202

Can Voyage and Cohere's multimodal embedding models be included as well? https://docs.voyageai.com/reference/multimodal-embeddings-api https://cohere.com/blog/multimodal-embed-3