manageMFA function added

[grvgoel81]

Motivation and Context

Jira Link: https://toruslabs.atlassian.net/browse/PD-4387

Description

• manageMFA function added

How has this been tested?

• In emulator

Screenshots (if appropriate):

Screen.Recording.2025-03-17.at.1.20.06.PM.mov

Types of changes

• 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)

Checklist:

• My code follows the code style of this project. (run lint)
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have added tests to cover my changes.
• All new and existing tests passed.
• My code requires a db migration.

[AyushBherwani1998]

Tested the flow, works fine with default and custom JWT verifiers.

[chaitanyapotti]

lgtm