Authentication Backend Fixes

[mahid797]

Issue: Improve Authentication Backend

Tasks:

• [x] Review Master Branch
  • Ensure the latest version of the master branch is pulled and up-to-date before starting on the tasks below and in #93.
• [x] Fix Sign-In and Log-Out Flickering Issue
  • Resolve the flickering that occurs on the Sign-In and Log-Out pages.
• [x] Remove Placeholder Authentication UI
  • Delete any placeholder Auth UI pages and folders to clean up the codebase.
• [x] Update User Schema
  • [x] Add fields for First Name and Last Name.

  • [x] Set default User role to "Admin".

    Note: Both Issue #93 and this issue can be addressed in a single pull request.

[SajanGhuman]

All issues are fixed