List public email addresses for a user

## Endpoint
`GET /user/public_emails`

## Expected response
`200 OK`

### Docs
[List public email addresses for a user](https://developer.github.com/v3/users/emails/#list-public-email-addresses-for-a-user)

### Example JSON Response
```json
[
  {
    "email": "octocat@github.com",
    "verified": true,
    "primary": true,
    "visibility": "public"
  }
]
```