[eslint] max-statements-per-line

.eslintrc.js

         'max-lines': 0,
         'max-nested-callbacks': 2,
         'max-statements': 0,
+        'max-statements-per-line': 2,
         'multiline-ternary': 0,
         'new-cap': 2,
         'new-parens': 2,

doc/example/example.js

     });
     room.on(JitsiMeetJS.events.conference.CONFERENCE_JOINED, onConferenceJoined);
     room.on(JitsiMeetJS.events.conference.USER_JOINED, id => {
-        console.log('user join'); remoteTracks[id] = [];
+        console.log('user join');
+        remoteTracks[id] = [];
     });
     room.on(JitsiMeetJS.events.conference.USER_LEFT, onUserLeft);
     room.on(JitsiMeetJS.events.conference.TRACK_MUTE_CHANGED, track => {