Build a chart system that provides minimal support for line charts, and implements the basic structure for chart definition pages and data pages. Make this available as a public demo that members of the community can play with.

Acceptance criteria

• Users can define a line chart on a Data:.chart page, using the parameters defined in T368350
  • The extension automatically configures the JsonConfig extension to add Data:.chart pages
• Users can embed a line chart that is defined on a Data:.chart page in a wiki page, and combine it with data from a Data:.tab page, using the syntax defined in T368350
• When a user views a page with a chart embedded on it, the chart is rendered with the appropriate data and displayed on the page
• There is a publicly available demo wiki where this functionality can be demonstrated and tested. This could be the beta cluster, or a PatchDemo wiki, or something else