[FEATURE] Tutorial for cross-encoder models on Amazon Bedrock

[tkykenmt]

Is your feature request related to a problem?
Tutorials for reranking with cross-encoder model on Amazon Bedrock.

https://aws.amazon.com/about-aws/whats-new/2024/12/amazon-bedrock-rerank-api-accuracy-rag-applications/

What solution would you like?
Create tutorials for reranking with cross-encoder model on Bedrock.

What alternatives have you considered?
N/A]

Do you have any additional context?
I have already tested integration with reranking models in Amazon Bedrock. I'd like to have ownership to create a tutorial and submit PR.