Feat : clickable element with pointer

web/components/management/area.js

web/components/management/candidate-lists.js

web/components/management/election.js

web/components/management/round-desks.js

web/components/management/rounds-card.js

web/components/management/section.js

web/components/visualization/results-zone.js

web/components/visualization/round-selection.js

web/components/vote/desk-round.js

web/style.css