11 ikce 003 task001 user back end implementation

[anthonysasso2001]

Preliminary Info

1. Connected issue ticket: IKCE-003_Task001
2. Goal of merge request:
   • This PR is for adding user to backend
3. Potential areas of concern/Issues
   • This may be limited by missing edge cases, did not get time to manually test queries but unit tests seem to look good.
   • This could cause issues with frontend work if I missed any edge cases.

Testing

Unit Tests & Coverage report screenshot

run npm run coverage and screenshot the final output (ex x of y covered) along with changed/added tests

Security Tests

screenshots of security test output from snyk test and snyk code test.

Examples

screenshot or screen-record any changes to the UI for altered components/css, or demo of any major functional changes if applicable.
N/A for back-end don't have time to run all manually atm due to time constraints on milestone 01.5