Squashed 'child-dir/' content from commit 48f7284

git-subtree-dir: child-dir
git-subtree-split: 48f72849d9f877e646cd1de021b37d8267bb5b37
Merge commit '3bf8cf212c9c5a2cf012b9199720731a1e33eb68' as 'child-dir'
Update