ForecastsApi - user

## Summary:

This endpoint is used to return a user's id, user_name, full_name, first_name, last_name, and is_manager param given a user's id.

## Query Parameters:

Param | Description | Optional
user_id | Returns user data for this specific user id |

## Input Example:

`{ user_id:seed_sally_id }`

## Output Example:

`{ first_name: "Sally" full_name: "Sally Bronsen" id: "seed_sally_id" is_manager: false last_name: "Bronsen" user_name: "sally" }`