message: Update plugins.html
  change the search bar for plugins search
diff: </aside>
  <div class="plugin-search-form">
  <form id="search-form">
  - <div class="mdc-form-field mdc-form-field--align-end">
  - <div class="mdc-textfield" data-demo-no-auto-js="">
  - <input type="text" class="mdc-textfield__input" id="search" name="search" value="{{search}}">
  - </div>
  - </div>
  - <button type="submit" class="search-button mdc-button mdc-button--raised mdc-button--primary mdc-ripple-surface" data-mdc-auto-init="MDCRipple">Search</button>
  + <input type="search" class="mdc-textfield__input" id="search" name="search" value="{{search}}">
  </form>
  </div>
  +</br>
  <div id="plugin-list" class="plugin-cards">
  {{#packages}}
  <div class="mdc-card plugin-card">
  