Create a Spot

[Lillith13]

Creates and returns a new spot.

• [x] An authenticated user is required for a successful response
• [x] New spot exists in the database after request
• [x] Spot data returned includes the id, ownerId, address, city, state, country, lat, lng, name, description, price, createdAt, and updatedAt
• [x] Error response with status 400 is given when body validations for the address, city, state, country, lat, lng, name, description, or price are violated

[Lillith13]

• [x] finish remaining seed files, endpoints and proper associations need to be made before the last checklist item here can be tested
• [x] add auth middlewares to proper endpoints