Squashed 'src/Front/Response/' changes from 347baaa..a1a33d8

a1a33d8 add composer.json and README

git-subtree-dir: src/Front/Response
git-subtree-split: a1a33d8fa21d6c48ab8141126b329f16e42ad78a
Merge commit 'a33aa0ce1e3f7cff3763d58f060be97a0e9835d5'