Convert bootstrap dependencies into CDN scripts

[temple]

Summary

Explore cdn-webpack-plugin and dynamic-cdn-webpack-plugin in order to produce a production environment where libraries are now bundled when they are available through CDN.
Setting this environment will imply manually state the libraries url at CDN, and later on in a automated manner.

Resources

• https://www.toptal.com/javascript/a-guide-to-managing-webpack-dependencies
• https://github.com/jso0/html-webpack-cdn-plugin
• https://www.npmjs.com/package/webpack-cdn-plugin (manual)
• https://github.com/mastilver/dynamic-cdn-webpack-plugin (automated)
• https://github.com/geoshar/autoloader-cdn (automated)