Initial commit.
Add 'build/' from commit '4fae01a5c26f17b51a785cf62f806548fbc72aec'

git-subtree-dir: build
git-subtree-mainline: 123ff6ba2ecba7af70223dcefa1ae5b2d19e3c7d
git-subtree-split: 4fae01a5c26f17b51a785cf62f806548fbc72aec
Initial build of website.

It is built into the build directory which is present via `git-subtree`.
Add welcome article.
Generate welcome article.