First step is to embed iframe with macros to external page.
We can check what need to be emulated to ensure macro will work correctly.
Some tweaks have to be made on Custom Charts side to
1. detect if macros are rendered on external share page or Confluence
2. Not use AP (js) in this case or emulate in on External Share page

https://ossapps.atlassian.net/browse/SUP-4409