feat: add team user management endpoints to api (#1416)

## Description

Adds user management capabilities to our current API. Allows for adding,
removing, listing and updating members of a given team using a valid API
token.

## Related Issue

N/A

## Changes Made

- Added an endpoint for inviting a team member
- Added an endpoint for removing a team member
- Added an endpoint for updating a team member
- Added an endpoint for listing team members

## Testing Performed

Tests were written for this feature request

packages/lib/server-only/public-api/create-api-token.ts

@@ -51,7 +51,7 @@ export const createApiToken = async ({
       name: tokenName,
       token: hashedToken,
       expires: expiresIn ? DateTime.now().plus(timeConstantsRecords[expiresIn]).toJSDate() : null,
-      userId: teamId ? null : userId,
+      userId,
       teamId,
     },
   });