* mv create-react-app/index.js -> create-react-app/creteReactApp.js
* update to modern code style
* var -> cosnt
* set trailing-coma to es5 for prettier
* Don't strip stack traces of evaluated webpack code
* Strip stack traces at the end of a string
because the last line doesn't always have a `\n` and `create-react-app` is leaving the last line of the stack traces present in the error messages
* code comment
* code comment
