First clone the ripo or download it from github. Download node js and install it.
- install gulp golbally with "npm install -g gulp"
- Run npm install.
- Run gulp watch. it will build a dist folder with the genereted html and all other files.
gulp will automatically generete scss to css file into dist folder. If you want to use browser-sync just uncomment inside watch command of browser-sync and it will watch browser-sync. Please modify gulpfile.js file what you need to include.