Empty state for Starred Projects

We don't have empty state illustrations for following pages

Starred Projects

Snippets

We should add an illustrated empty state for these places. See https://gitlab.com/gitlab-org/gitlab-ce/issues/20847

Design

Starred projects

Text should read:

• You don't have any starred projects yet.
  • You can star projects on the project's overview page to find them on this page.

SVG: grahic-starred-project.svg