following the guide on https://docs.screeps.com/commit.html
besides node, install grunt https://gruntjs.com/getting-started
copy Gruntfile.example.js and name it Gruntfile.js and add the missing parameters
Now you can run this command to commit your code from dist folder to your Screeps account:
grunt screeps
Developed with Atom and https://atom.io/packages/screeps-ide