ClickHouse website quickstart:
1. If npm is not installed: `apt-get install npm` for Debian/Ubuntu, `brew install npm` for Mac OS or download and install manually https://nodejs.org/en/download/
2. Run setup\_gulp.sh once to install prerequisites via npm
3. Use `gulp build` to minify website to "public" folder or just `gulp` to run local webserver with livereload serving it