wip: rubygems: use sinatra to check assets
wip: gulp: add web_server task
wip: gulp: edit gulpfile
wip: gulp: require modules on each file
wip: rack: add config.ru
wip: web_server: add WebServer class
wip: web_server: add main.js
wip: web_server: add views
wip: add app (instance of Marionette.Application)