Publish a package
npm publish <tarball>
npm publish <folder>Publishes a package to the registry so that it can be installed by name.
<folder>:
A folder containing a package.json file
<tarball>:
A url or file path to a gzipped tar archive containing a single folder
with a package.json file inside.
Fails if the package name and version combination already exists in the registry. Overwrites when the "--force" flag is set.