<div class="row">
  <div class="col-lg-6">
    <h1>All of the Cats</h1>
    <div class="row">
      {{#each persistedCats}}
        <div class="col-lg-6">
          <div class="thumbnail">
            {{cloudinary-tag cloudinaryPublicId}}
            <div class="caption">
              <h3>{{name}}</h3>
            </div>
          </div>
        </div>
      {{/each}}
    </div>
  </div>


  <div class="col-lg-6">
    <h1>Add a New Cat</h1>
    <form role="form" {{action 'createCat' on='submit'}}>
      <div class="form-group">
        <label for="cat-name">Cat Name</label>
        {{input value=newCat.name class="form-control" id="cat-name" placeholder='Cat Name'}}
      </div>
      <div class="form-group">
        <label for="cat-image">File input</label>
        {{view 'cloudinary'}}
      </div>
      <button type="submit" class="btn btn-default">Submit</button>
    </form>
  </div>
</div>

<div class="row">
  <div class="col-lg-6">
    <h1>All of the Cats</h1>
    <div class="row">
      {{#each persistedCats}}
        <div class="col-lg-6">
          <div class="thumbnail">
            {{cloudinary-tag cloudinaryPublicId}}
            <div class="caption">
              <h3>{{name}}</h3>
            </div>
          </div>
        </div>
      {{/each}}
    </div>
  </div>


  <div class="col-lg-6">
    <h1>Add a New Cat</h1>
    <form role="form" {{action 'createCat' on='submit'}}>
      <div class="form-group">
        <label for="cat-name">Cat Name</label>
        {{input value=newCat.name class="form-control" id="cat-name" placeholder='Cat Name'}}
      </div>
      <div class="form-group">
        <label for="cat-image">File input</label>
        {{#if uploading}}
          UPLOADING
        {{else}}
          {{view 'cloudinary'}}
        {{/if}}
      </div>
      <button type="submit" class="btn btn-default">Submit</button>
    </form>
  </div>
</div>

Add uploading if else view
Add uploading if else view 

Add uploading if else view to enable uploading indication.