[DOC] Add a blueprint for integration with Amazon Translate and ML inference processors

[tkykenmt]

Add a blueprint for integration with Amazon Translation TranslateText API to implement query re-write with ML inference processors in search pipeline.

[tkykenmt]

I've tested the integration on my side. Can I raise a PR?

[ylwu-amzn]

I've tested the integration on my side. Can I raise a PR?

Sure, feel free to raise a PR

[dhrubo-os]

Thanks @tkykenmt . Assigning the issue to you.