Spotify Radio + Audio effects

Preview

Web API
- 100% test coverage
- Integration tests validating all API routes
- Deliver static files as Node.js Stream
- Deliver song files as Node.js Stream
- If a user disconnects, the API shouldn't break
- The API must support multiple simultaneous commands without breaking
- If an unexpeted error occurs, the API should keep working
- The project must be executable on Linux, Mac and Windows environments
Web App
- Client
  - Must reproduce the audio transmission
  - Can't pause upon effects activation
- Controller
  - 100% test coverage
  - Must start and stop a trasmission
  - Must send commands to add effects to a transmission
PLUS:
- Add a new effect
  - New button on controller
  - New sound effect on audios/fx/ folder
  - Republish on heroku