View External Template Details

As a user, I can get additional info about a template

• From the templates list, I can access the details for a given template
• Detailed info contains info from the listing plus
  • Extended description (markdown format)
  • The link to the documentation (if existing)
  • Features
  • Available versions (READ ONLY), collapsed by default.
  • Gallery
  • The dependencies, with an indicator of the declared target addons and missing ones.
  • Detailed content of the template (features, resources)
    • I can collapse the detailed list of features

A user can go back to the templates list from the detailed info screen