- The script is implemented as a new build target for Vue, which is better than creating a standalone .js or
  .ts script because it integrates natively with the existing code base.
- The main browser dependency to work around is the canvas context in Fonts.ts. The solution is to define new
  interfaces for Font and FontStsore and add stub implementations that are used when we're not running in a
  browser.
- Remove .json files from the corpus (and .gitignore corpus/*.json).
- Set GitHub action to generate .json files at build time
- Add developer docs showing how to use this command line tool.

Remove unused d3 import