Fix to issue #123 and some reworking to .ENV/Helper files
Created by: lecegues
Description
Fix to issue #123 (closed)
- Updated user helper file for addition/deletion of a user given data (not hardcoded)
- Updated .ENV Files in frontend/backend for user credentials (default user & test user)
- Initialized default & test user upon startup
- Created a test hook to login before all tests (using test user) and log out after all tests
- Update CI Pipeline workflow to accomodate for .ENV variable updates