Squashed 'io/' content from commit 9e2ef02

git-subtree-dir: io
git-subtree-split: 9e2ef022cd2c29ed6b0ef4e589e7a722c0ef298b
Merge commit 'a53f7d77e5761541acf2ba2d17182ac4cd94cbe6' as 'io'
Squashed 'model/' content from commit b737664

git-subtree-dir: model
git-subtree-split: b7376645ea776341b2c750c6c2a34edc77626fb3
Merge commit '98ef749b3c3217134716d4e83508a9016bf628b0' as 'model'
Squashed 'converter/' content from commit 9a65a32

git-subtree-dir: converter
git-subtree-split: 9a65a323b2adbb0a38017e2f5e0246de24b545b7
Merge commit 'cdffd7a331a15356006c71feeb0c4be391b28b2c' as 'converter'
init project