Feat: blog soft delete

[sage-ali]

Description

This PR implements soft delete functionality for the Blog entity. It adds a deletedAt column, modifies the delete operation to use softRemove, updates queries to filter out soft-deleted blogs, and ensures existing functionality remains intact. It also updates relevant tests to cover the new soft delete behavior.

Related Issue

Fixes # 1235

Type of Change

• feat: New feature
• - [ ] fix: Bug fix
• docs: Documentation updates
• style: Code style/formatting changes
• refactor: Code refactoring
• perf: Performance improvements
• test: Test additions/updates
• chore: Build process or tooling changes
• ci: CI configuration changes
• other:

How Has This Been Tested?

• Unit tests
• Manual tests

Test Evidence

Checklist

• My code follows the project's coding style
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation (if needed)
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published
• I have included a screenshot showing all tests passing
• I have included documentation screenshots (if applicable)

Additional Notes

This PR fulfills the requirements to implement soft delete for the Blog entity, enhancing data integrity and providing potential recovery capabilities.

[TheCodeGhinux]

Fix your issues

[sage-ali]

@TheCodeGhinux I reverted the update_at field and rebased.