[TASK] Add & update icons to table-header

assets/icons/fonts/icon.ttf

assets/icons/fonts/icon.woff

assets/icons/fonts/icon.woff2

assets/icons/icon.scss

lib/filters/filtergui.js

lib/infobox/link.js

lib/infobox/location.js

lib/infobox/main.js

lib/infobox/node.js

lib/linklist.js

lib/map.js

lib/nodelist.js

lib/sorttable.js

scss/modules/_table.scss