[Feature] Add admin/moderator roles

[Open-Source-you]

Is your feature request related to a problem? Please describe.
No role-based permissions for different types of contributors.

Describe the solution you'd like
Add the ability to assign roles (admin, moderator, user) with different permissions.

Describe alternatives you've considered
Manual code review for permissions, but role-based is more efficient.

Additional context
Role management will help as the project scales.

[aryan4-eternity]

heya can u assign this issue to me @Open-Source-you

[palak507]

Hey @Open-Source-you I would love to contribute to the issue. Please assign it to me