fix: updated babel to 7 with `babel-upgrade`

Ran into issues building related to babel,
found mixture of babel 6 and 7 packages in package.json
🤞

Signed-off-by: Spencer Norman <spencern@gmail.com>

Merge pull request #5 from reactioncommerce/chore-nnnnat-publish-config

chore: adding more repo info to package.json