Screeps Repository
Should be able to just type npm update
make a secrets.js and gulpfile.js from the samples with your data and settings.
then type gulp build
It should push up to Screeps via their APIs to the branch you've specified in the secrets file. You'll just have one Main module with everything in it.
You'll also have it in your local dist folder to. The uglify setting controls use of gulp-uglify and applying the min prefix.