Added code for bedrock agent for observability using New Relic

[Ryohei-Caulked]

Amazon Bedrock Agent Samples Pull Request

Instructions

• Do not erase any parts of this template that are not applicable to your pull request.
• If a section is not applicable, explicitly state the reason.
• • Tick the checkboxes for the items you have completed.
• These are mandatory requirements, not mere suggestions.

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Describe your changes

• Concise description of the PR

Changes to add how to introduce New Relic APM tools because these are important solutions to monitor Bedrock agents.

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Issue ticket number and link

• Issue # (if applicable)

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All Submissions:

• Have you followed the guidelines in our Contributing document?
• Have you checked to ensure there aren't other open Pull Requests for the same update/change?
• Are you uploading a dataset?
• Have you added contributions to RELEASE NOTES?

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New Example Submissions:

• Have you tested your code, and made sure the functionality runs successfully? Provide screenshots.
• Have you linted your Python code with black?
• Does this implementation use the shared tools src/utils/*. List them here:

1. web_search
2. ...

• Does this implementation use the helper functions src/utils/*. List them here:

1. bedrock_agent_helper.py
2. ...

• Have you included your Agent Example name and introduction in README.md and examples/agents/README.md?
• Have you included your Multi-Agent Example name and introduction in README.md and examples/multi_agent_collaboration/README.md?
• Have you documented Introduction, Architecture Diagram, Prerequisites, Usage, Sample Prompts, and Clean Up steps in your example README?
• I agree to resolve any issues created for this example in the future.

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src/utils Submissions:

Changes to the utils folder won't be accepted. Instead, open a new issue.

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src/shared tool Submissions:

Changes to existing tools won't be accepted. Instead, open a new issue.

• Business justification for including a new tool

This tool is necessary because ...

• How is this tool implemented?
  • • AWS CDK
  • • AWS CloudFormation (recommended)

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• Add your name to CONTRIBUTORS.md :D