How add multiple files assets from package without big addFiles list on package.js?



I have a project based on ‘package’ architecture but the last mile is create a package for the ‘theme’. The theme, INSPINIA, put everyfile on ‘client’ folder.
How I can create a package for this, It has zillion files: plugins, stylesheet, …,? I know is a way to add many file without create big list of assets on ‘package.js’ but I can´t found it.


I will try with this solution: