Squashed 'focus/' changes from 5dc783c..7e1a3f8

7e1a3f8 Added a readme.

git-subtree-dir: focus
git-subtree-split: 7e1a3f8e55969e9a8a6b3b5c11654019ef4bb63e
Merge commit 'd21e54d8e77b7d9071c71fb2cba034df74d18e32'