Improve DB Performance with Additional Indexes

[JSv4]

Add database indexes to improve query performance

This PR introduces strategic database indexes across models to optimize query performance. Key changes include:

• Added indexes on frequently queried fields like 'created', 'modified', 'creator', and 'title'
• Implemented indexes on foreign key fields to speed up JOIN operations
• Added indexes on fields commonly used in filtering and sorting operations

Please monitor the application's behavior after deployment and adjust as needed

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 71.52%. Comparing base (d972338) to head (90388c7). Report is 6 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #168 +/- ## ========================================== + Coverage 71.44% 71.52% +0.07% ========================================== Files 59 59 Lines 2718 2725 +7 ========================================== + Hits 1942 1949 +7 Misses 776 776 ```

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