Add update with webpack example

i tried to add this lines in
https://github.com/globalizejs/globalize/blob/master/examples/app-npm-webpack/app/index.js#L1
```
Globalize.load( require( "cldr-data" ).entireSupplemental() );
Globalize.load( require( "cldr-data" ).entireMainFor( "en", "es" ) );
```

got a lot of warnings
and error
```
ERROR in ./~/cldr-data/index.js
Module not found: Error: Cannot resolve module 'fs' in /Users/butuzgol/Desktop/docs/globalize/examples/app-npm-webpack/node_modules/cldr-data
@ ./~/cldr-data/index.js 14:10-23
```