First, you will need to install NodeJS.
Run the following from the command line:
npm install
Install the following gem from the command line:
gem install scss_lint
Make a copy of example.config.js and set your local development settings here. Add this file to your .gitignore file to prevent breaking of team-members' dev setup.
cp example.config.js config.js
Run the following from the command line from the module directory to have gulp compile and watch for changes to both .scss files and .js files found within the /dev folder.
gulp