feat: SQL query tuning for improved readability and performance

[eddydecena]

Description

Add a new feature for tuning queries to improve readability and performance

Related Issue

NONE

Changes Made

List the specific changes introduced in this PR:

• Added new feature for tuning to improve readability and performance
• Fix Subject for user identity

How Has This Been Tested?

Describe the steps taken to test your changes:

• Manual testing (describe steps)
  • Tested path to create, edit, delete, get and get all Data Sources
  • Tested query tuning results and query generation results

Checklist

• My code follows the project's coding style guidelines.
• I have written unit/integration tests where applicable.
• All new and existing tests passed successfully.
• I have updated the documentation accordingly.
• My commit message follows the conversational commit specification.

Additional Notes

Any other relevant information about the PR.