Add callback and logout

Author: NeftaliYagua

js/auth.js

@@ -1,14 +1,14 @@
 var webAuth = new auth0.WebAuth({
   clientID: 'In43D8hfptI5B17Xo7XZX4aBkhfMuH56',
   domain: 'auth.coderic.org',
-  audience: `https://coderic.eu.auth0.com/api/v2/`,
+  audience: `https://coderic.eu.auth0.com/userinfo`,
   scope: 'openid profile email',
   redirectUri: 'https://coderic.org/callback',
   responseType: 'token id_token'
 });
 
 login = () => webAuth.authorize({
-  audience: 'https://coderic.eu.auth0.com/api/v2/',
+  audience: 'https://coderic.eu.auth0.com/userinfo',
   scope: 'openid profile email',
   redirectUri: 'https://coderic.org/callback'
 });
@@ -19,7 +19,7 @@ logout = () => webAuth.logout({
 load = () => {
   webAuth.checkSession(
     {
-      audience: 'https://coderic.eu.auth0.com/api/v2/',
+      audience: 'https://coderic.eu.auth0.com/userinfo',
       scope: 'openid profile email',
     },
     function (err, result) {