define chart organization/structure

[uf0]

very broad and naif proposal:

• chart_name_folder/
  • dimensions.json
  • options.json
  • src/
  • render.js
  • other.js
  • index.js -> export chart

could be useful for external charts?

• https://bost.ocks.org/mike/d3-plugin/
• https://github.com/d3/d3/wiki/Plugins