add information about adding 3rd party libraries
add information about adding 3rd party libraries

rikukissa/chat-client,rikukissa/ideas,leonidas/gulp-project-template,keenjoe007/gulp-scaffold-template,rikukissa/leaflet-geohash-base,rikukissa/chat-client,koodiklinikka/koodiklinikka.fi,Takushi-U/vue-practice,Pinqvin/gulp-project-template,rikukissa/webpack-project-template,xmeta/gulp-scaffold,xmeta/gulp-scaffold,cheapsteak/demo-react-transitiongroup,Takushi-U/vue-practice,rikukissa/react-bacon-chat,keenjoe007/gulp-scaffold-template,xmeta/gulp-scaffold,rikukissa/bacon-flux-react,cheapsteak/npmcharts.com,rikukissa/bacon-flux-react,koodiklinikka/koodiklinikka.fi,leonidas/gulp-project-template,cheapsteak/gulp-project-template,rikukissa/webpack-project-template,rikukissa/react-bacon-chat,cheapsteak/npmcharts.com,Pinqvin/gulp-project-template,rikukissa/separated-browserify-bundles,cheapsteak/demo-react-transitiongroup,rikukissa/ideas,cheapsteak/gulp-project-template