Bundle `abcjs`

This allows patch-package to work as intended, hopefully

Fix issue with CJS module not in NPM dist

Forgot to .npmignore

Allow overriding CSS

Give any elements a className of abcjsContainer

Fix default export

exports.default and module.exports are not the same :)

Fix CJS export

Forgot to npm build

CommonJS Module Support

Add support for require-ing this library, as necessitated by Gatsby

Initial release

v0.1.0

initial commit