RUN-43 Created get user(s) and delete user routes/functions

[Jnwong116]

Changes

• Created getUser route/function
• Created getUsers route/function
• Created deleteUser route/function

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• [x] Pull request has descriptive context useful to reviewer. Screenshots are attached as necessary.
• [x] Pull request title matches Linear ticket.
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• [ ] Pull request has been approved by CodeOwner
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[linear[bot]]

RUN-43 Create GET Requests

Create the following GET requests: * Get user * Get list of people and position they're running for (sorted by position)