Resolve "Handle Capturers affectation"

internal/models/capturer.go

internal/models/capturerDeskRound.go

internal/models/models.go

internal/rootmux/admin_test.go

internal/rootmux/capturer_test.go

internal/rootmux/rootmux_test.go

internal/rootmux/visualizer_test.go

web/components/management/round-desks.js

web/components/management/round.js

web/style.css