refactor: centralize Azure resource naming with abbreviations.json and update Bicep templates

[Harmanpreet-Microsoft]

Purpose

This pull request updates the Deployment/main.bicep file to standardize resource naming by introducing an abbreviations.json file for consistent naming conventions across resources. The changes improve maintainability and ensure uniformity in resource names.

Resource Naming Standardization:

• Introduced a var abbrs variable to load abbreviations from abbreviations.json for resource naming. ([Deployment/main.bicepR5-R53](https://github.com/microsoft/Document-Knowledge-Mining-Solution-Accelerator/pull/381/files#diff-56f936106def10cad9c186b743f6d514131224ac7156924173d909aa816740b8R5-R53))
• Updated resource group, storage account, Azure Search Service, container registry, AKS cluster, Azure Cognitive Service, Azure OpenAI Service, and Azure Cosmos DB naming to use the abbreviations from abbrs. ([[1]](https://github.com/microsoft/Document-Knowledge-Mining-Solution-Accelerator/pull/381/files#diff-56f936106def10cad9c186b743f6d514131224ac7156924173d909aa816740b8R5-R53), [[2]](https://github.com/microsoft/Document-Knowledge-Mining-Solution-Accelerator/pull/381/files#diff-56f936106def10cad9c186b743f6d514131224ac7156924173d909aa816740b8L77-R91), [[3]](https://github.com/microsoft/Document-Knowledge-Mining-Solution-Accelerator/pull/381/files#diff-56f936106def10cad9c186b743f6d514131224ac7156924173d909aa816740b8L141-R145))
• Modified the output gs_resourcegroup_name to use the new naming convention based on abbrs. ([Deployment/main.bicepL160-R161](https://github.com/microsoft/Document-Knowledge-Mining-Solution-Accelerator/pull/381/files#diff-56f936106def10cad9c186b743f6d514131224ac7156924173d909aa816740b8L160-R161))
• ...

Does this introduce a breaking change?

• Yes
• No

Golden Path Validation

• I have tested the primary workflows (the "golden path") to ensure they function correctly without errors.

Deployment Validation

• I have validated the deployment process successfully and all services are running as expected with this change.

What to Check

Verify that the following are valid

• ...

Other Information

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