Dependencies for home-snippets-server

It goes something like this:

pip install --no-install --build=vendor/packages --src=vendor/src -I -r requirements/dev.txt
find packages src -type d -depth 1 >| vendor.pth

git init
for f in src/*; do
    pushd $f >/dev/null && REPO=$(git config remote.origin.url) && popd > /dev/null && git submodule add $REPO $f
    done
git add .