feat: install dependencies in global store

[aleclarson]

After yarn publish copies the published package to the global store, it now runs npm install (or yarn install if a yarn.lock file exists) with the --production flag. See #50 for more details.

The only relevant commit: 9d1a6e55416c7332b184ece18e0433d01bf1b983

(Probably wanta merge #59 first)

Closes #50