ESLint: no-unused-vars: add exported at the top
ESLint: no-unused-vars: add exported at the top

Those are valid functions and variables, but they cannot be found here
because:

- some are used in config.js
- some are used by another JavaScript file
- some are added to the DOM as an HTML string (ugly)
- some are nice (unused, for now) tools that I do not want to remove

aureliojargas/moneylog,aureliojargas/moneylog,aureliojargas/moneylog,aureliojargas/moneylog