Bosonic website is built with CabinJS, a simple and extensible static site generator powered by Grunt.
Therefore to contribute, you need to do a pull request on the dev branch.
Fork the GitHub project first.
Install node.js. Then sass, grunt if you haven't yet.
$ gem install sass
$ gem install scss-lint
$ npm -g install grunt
After that, install npm dependencies, and run the application in development mode.
$ npm install
You are now ready to go
$ grunt server
your application is available at http://127.0.0.1:5455.