package.js 
 api.addFiles(filenames, [architecture], [options])  
 Specify source code files for your package. 
Arguments
 filenames String or Array of Strings   Paths to the source files.   architecture String or Array of Strings   If you only want to use the file on the server (or the client), you can pass this argument (e.g., 'server', 'client', 'web.browser', 'web.cordova') to specify what architecture the file is used with. You can specify multiple architectures by passing in an array, fo