feat(bedrockl2):adding bedrock l2 construct features

[dineshSajwan]

DRAFT PR , WIP, DO NOT MERGE

Issue # (if applicable): Bedrock L2 Construct

Closes # Issue - 686

Reason for this change - New Feature , Adding bedrock L2 construct.

[RFC 888](https://github.com/aws/aws-cdk-rfcs/pull/688)

Description of changes

Bedrock L2 Construct with following features

1. Agent core functionality (agent.ts)
2. Agent aliases (agent-alias.ts)
3. Action groups (action-group.ts)
4. Agent collaboration (agent-collaborator.ts)
5. Memory configuration (memory.ts)
6. Custom orchestration (orchestration.ts)
7. Prompt overrides (prompt-override.ts)
8. API schemas and executors (api-schema.ts, api-executor.ts)

Describe any new or updated permissions being added

I am roles for Agent , Knowledgebase, guardrails, inference profiles, prompts.

Description of how you validated changes

Created CDK APP in the repo and deployed the stack.

TODO : Unit and Integration test

Checklist

• My code adheres to the CONTRIBUTING GUIDE and DESIGN GUIDELINES

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By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license

[aws-cdk-automation]

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[aws-cdk-automation]

AWS CodeBuild CI Report

• CodeBuild project: AutoBuildv2Project1C6BFA3F-wQm2hXv2jqQv
• Commit ID: c63c9ad
• Result: FAILED
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