// sets default language as browser language if no other language choice made
// if language language selected then this value is stored using the ionic storage module
setInitialAppLanguage() {
  const language = this.translate.getBrowserLang();
  this.translate.setDefaultLang('en');

  this.storage.get(LNG_KEY).then(val => {
    if (val) {
      this.setLanguage(val);
      this.selected = val;
    }
  });
}