[DOC] Auto deploy model when predict request comes

[ylwu-amzn]

What do you want to do?

• Request a change to existing documentation
• Add new documentation
• Report a technical problem with the documentation
• Other

Tell us about your request. Provide a summary of the request and all versions that are affected.
We will support auto deploy model when predict request comes for remote model in 2.13.
opensearch-project/ml-commons#1148

What other resources are available? Provide links to related issues, POCs, steps for testing, etc.

[hdhalter]

Hi @ylwu-amzn , please create a doc PR ASAP if this is going to be merged in 2.13. Thanks.