Incorporate Auth into the Websocket

[kristine-lee]

• read documentation
• wrap our resolvers and schema in auth

----- official documentation ------
https://www.apollographql.com/docs/graphql-subscriptions/authentication/

----- might be helpful/ article by fs alum -----
https://medium.com/@richiepineda/setting-up-basic-authentication-and-sessions-on-an-express-graphql-server-using-passport-js-a9e1f34f0fae