A placeholder to experiment with new versions of the xPack web site.
The actual content is not here, but in the separate gh-pages branch.
By default it is disabled (this content is shown); to make it visible
change the Settings -> GitHub Pages selection from
master branch to gh-pages branch.
The preview URL is: https://xpack.github.io/preview/
The GitHub project URL is: https://github.com/xpack/preview