Updating the web app

To update the web app, open web-app/src/app/device/device.component.html and update it, as follows:

<div class="container"> 
  <br> 
  <div *ngIf="!device"> 
    <h3 class="text-center">Loading!</h3> 
  </div> 
  <div class="row" *ngIf="lastRecord"> 
    <div class="col-md-12"> 
      <div class="panel panel-info"> 
        <div class="panel-heading"> 
          <h3 class="panel-title"> 
                        {{device.name}} 
                    </h3> 
          <span class="pull-right btn-click"> 
                        <i class="fa fa-chevron-circle-up"></i> 
                    </span> 
        </div> 
        <div class="clearfix"></div> 
        <div class="table-responsive"> 
          <table class="table table-striped"> 
            <tr *ngIf="lastRecord"> 
              <td>X-Axis</td> 
              <td>{{lastRecord...