Language switcher for the available translations of the content item.

Specifications:

https://ezno.sharepoint.com/sites/ProductTeam/_layouts/15/guestaccess.aspx?guestaccesstoken=FJE7ZVIhVUfsiqA%2Bb7l2u77rF8nY529TeCjekywhZ9E%3D&docid=2_1210f027c56134130b44ced4469443161&rev=1&e=791bf99067a845499164fd20b6dd299b

Prototype

https://invis.io/GPEOAM7TY#/266242294_UI_V-2-0_Content_View_TranslationSwitcher_1

HTML markup

Based on bootstrap v4, here is the markup

<select class="form-control">
      <option>English (US)</option>
      <option>Français (FR)</option>
      <option>Deutsch (DE)</option>
</select>

Missing element

In the current status (v2.0.0beta2), Content is missing (see screenshot, pink rectangle). It should be like in v1.
In the current implementation Content refers to field groups.
This story is a great opportunity to fix this missing element.