Create Deezer application
1. Goto https://www.deezer.com, and sing in or sing up to Deezer.
2. Goto Deezer developers site, and click 'My Apps' in the top right corner.
3. Click 'Create a new Application'.
4. Fill in information about your application. NOTE: you should set oauth.io as a Application domain and https://oauth.io/auth as Redirect URL after authentication.
5. That's it! You can find your Application ID an Secret Key once you click 'Create'.