message: docs(datepicker): mark properties names as code for initial state datepicker demo
diff: -<p>bsValue property sets initial state in this example</p>
  +<p><code>bsValue</code> property sets initial state in this example</p>
  <div class="row">
  <div class="col-xs-12 col-12 col-md-4 form-group">
  <input type="text"
  </div>
  </div>
  -<p>ngModel property sets two-way data binding in this example</p>
  +<p><code>ngModel</code> property sets two-way data binding in this example</p>
  <div class="row">
  <div class="col-xs-12 col-12 col-md-4 form-group">
  <input class="form-control" #drp="bsDaterangepicker" bsDaterangepicker [(ngModel)]="bsRangeValue">
  