Input Validation: Add Employee

[elizabethfoster02]

Link to PR: https://github.com/JumboCode/casa-myrna/pull/168

Purpose When we add a new employee on the Manage Profiles page, we want to confirm that the email entered is a real email and the phone number entered is a real phone number.

TODO

• [x] Claim this ticket by adding your name and moving to "In Progress"
• [x] Get updated with the codebase
  • [x] git checkout dev
  • [x] git pull
  • [x] THEN create a new branch as per usual
  • [x] npm install (this updates your dependencies)
  • [x] npm run dev
• [x] Implement description above
• [x] Create a PR for this ticket
• [x] Move this ticket into "Ready for Review"

Testing

• [x] Desktop