message: for riot.im instances, track location.pathname
diff: @@ -30,6 +30,7 @@ const customVariables = {
  'App Version': 2,
  'User Type': 3,
  'Chosen Language': 4,
  + 'Instance': 5,
  };
  @@ -86,6 +87,10 @@ class Analytics {
  this._setVisitVariable('Chosen Language', getCurrentLanguage());
  + if (window.location.hostname === 'riot.im') {
  + this._setVisitVariable('Instance', window.location.pathname);
  + }
  +
  (function() {
  const g = document.createElement('script');
  const s = document.getElementsByTagName('script')[0];
  