Goal: 

• Allow the user to see and search through systems within a content template

Acceptance Criteria:

• User can see within the content template details the list of systems assigned to the template.
• There should be some button to add more systems

mockups: https://www.sketch.com/s/b55e75a8-9a53-4eb0-989e-aad208521aba/p/70A41C48-D3A3-49A8-8ED7-AB496F29A838/canvas