message: Add representatives link to mobile nav
diff: <li class="uk-parent">
  <a href="#" class="uk-margin-left">Settings</a>
  <ul class="uk-nav-sub">
  + <li><a routerLink="/representatives" routerLinkActive="active" class="uk-margin-left">Representatives</a></li>
  <li><a routerLink="/configure-app" routerLinkActive="active" class="uk-margin-left " uk-toggle="target: #mobile-nav">App Settings</a></li>
  <li><a routerLink="/manage-wallet" routerLinkActive="active" class="uk-margin-left " uk-toggle="target: #mobile-nav">Manage Wallet</a></li>
  <li><a routerLink="/configure-wallet" routerLinkActive="active" class="uk-margin-left " uk-toggle="target: #mobile-nav">Configure New Wallet</a></li>
  