browser build no longer supported

[brodycj]

A side effect of removing the prod build (#48) is that use in a browser build (https://prettier.io/docs/en/browser.html) is no longer expected to work.

I think it would be ideal if we could add a browser entry to package.json with a limited number of substitutions to make this package work in a browser ref:

• https://2ality.com/2017/04/setting-up-multi-platform-packages.html
• https://nolanlawson.com/2017/01/09/how-to-write-a-javascript-package-for-both-node-and-the-browser/

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Update June 2021: This means that the information in docs/browser.md does not apply for prettierX.

Some form of browser build support is under consideration for the future. And a switch to ES modules would likely increase the chances of working in more and more environments such as modern browsers and Deno out of the box.

The recommended solution for now is to use a bundler such as Rollup or Webpack.