Get details for a Spot from an id

[haoxugt]

Returns the details of a spot specified by its id.

• [ ] Successful response includes data only for the specified spot
• [ ] Spot data returned includes the id, ownerId, address, city, state, country, lat, lng, name, description, price, createdAt, and updatedAt
• [ ] Spot data returns aggregate data for numReviews and avgStarRating
• [ ] Spot data returns associated data for SpotImages, an array of image data including the id, url, and preview
• [ ] Spot data returns associated data for Owner, including the id, firstName, and lastName
• [ ] Error response with status 404 is given when a spot does not exist with the provided id