Upload a package to the registry using the
To upload a package you need to provide a token that will be linked to your username and created for a namespace.
The token can be obtained from the registry website. It can be used as
fpm publish --token <token>.
publish command first builds the root package to obtain all the relevant information such as the
package version. It then creates a tarball of the package and uploads it to the registry.
Checks before uploading the package.