### Create a Review for a Spot based on the Spot's id

[yoshelb]

Create and return a new review for a spot specified by id.

• [x] An authenticated user is required for a successful response
• [x] New review exists in the database after request
• [x] Review data returned includes the id, userId, spotId, review, stars, createdAt, and updatedAt
• [x] Error response with status 400 is given when body validations for the review or stars are violated
• [x] Error response with status 404 is given when a spot does not exist with the provided id
• [x] Error response with status 500(to align with the readme) is given when a review already exists for the spot from the current user