[TASK] Add translations

Gruntfile.js

README.md

app.js

config.json

crowdin.yml

lib/about.js

lib/gui.js

lib/infobox/link.js

lib/infobox/location.js

lib/infobox/node.js

lib/legend.js

lib/linklist.js

lib/main.js

lib/map.js

lib/nodelist.js

lib/proportions.js

lib/simplenodelist.js

lib/sorttable.js

lib/tabs.js

lib/utils/helper.js