US14 Time: Notify applicant about upcoming appointment

[alex855k]

📋 User story

As a system I want to notify the applicant about an upcoming appointment with an interviewer, so that they will be more likely to attend.

Extended description

(A more elaborate description of the user story with more details)

Prerequisites

(Optional: A checkoff list with one-line description reference if they exist)

• [ ] Research how to use mongoDB #issuerefence

Non-functional requirements

(Optional: A checklist of non-functional requirements)

• [ ] E.g. Needs to response

Acceptance Criteria

(Write your criteria here:)

Flow

• [ ] E.g. Check that this condition has been met.

Extra info

(Optional: Include screenshots, mockups or other relevant information)

(Optional: Include closing tag for any issue besides this it should close) e.g. close #reference number.