wishthis/semantic/tasks/config/admin/templates/css-package.js

var
  where = 'client' // Adds files only to the client
;

Package.describe({
  name    : 'fomantic:ui-css',
  summary : 'Fomantic UI - CSS only distribution',
  version : '{version}',
  git     : 'git://github.com/fomantic/Fomantic-UI-CSS.git',
});

Package.onUse(function(api) {

  api.versionsFrom('1.0');

  api.use('jquery', 'client');

  api.addAssets([
    // icons
    'themes/default/assets/fonts/icons.woff',
    'themes/default/assets/fonts/icons.woff2'
  ], 'client');

  api.addFiles([
      // release
    'semantic.css',
    'semantic.js'
  ], 'client');

});