new frontend: base case

[stevemcghee]

build a base case map:

• input of structured docs files (content, row, column, links)
• retain 9s columns
• retain role rows
• allow sub-column, sub-rows via hints in doc

generate a browsable (click & drag) frontend which shows the content on-click. consider the case that some content might be many paragraphs. perhaps also click-out to new tab as a secondary option.

start with this base case, then see if we can build out the current map using that model.