This milestone contains all of the issues/tickets for getting Spotify working with our ExpressJS backend. By the end of this milestone all of the following tasks should be complete:

• Generate & store our Spotify CLIENT_ID & CLIENT_SECRET in our Express application
• our client_id to send an authorization_code request to Spotify in exchange fro a code
• Catch our authorization code request callback and use the code in exchange for an API JWT token
• Store our JWT token in a database along with it's expires field