[FEATURE] Tutorials needed for conversational search using rag processors

[mingshl]

Is your feature request related to a problem?

for the use case using Bedrocl Claude model, we need Tutorials needed for conversational search using rag processors https://github.com/opensearch-project/ml-commons/tree/main/docs/tutorials/conversational_search

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[pyek-bot]

thanks for creating the issue, i can pick this up!

[mingshl]

found a pending PR open, #2975, @ylwu-amzn can you also add the example for claude v3 as well? thanks!!!!