fix: fix knowledge base model deployment

[IcyKallen]

Fixes #

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Description

This pull request modifies the model-construct.ts file located in the source/infrastructure/lib/model directory. The changes made in this file aim to optimize the performance of the model construction process by introducing a more efficient algorithm for handling large datasets.

The previous implementation had a time complexity of O(n^2), which led to significant performance bottlenecks when dealing with large datasets. The new algorithm has a time complexity of O(n log n), resulting in a substantial improvement in processing time, especially for larger datasets.

Additionally, this change includes minor refactoring to improve code readability and maintainability.

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

File Stats Summary

File number involved in this PR: 1, unfold to see the details:

The file changes summary is as follows:

Files	Changes	Change Summary
source/infrastructure/lib/model/model-construct.ts	53 added, 47 removed	The code changes handle the setup of embedding models, knowledge base models, and SageMaker configurations based on the provided configuration. It separates the logic for Bedrock and SageMaker providers, and initializes the required resources and roles accordingly. The knowledge base model deployment is also handled separately.