allow host names in restrictions, not only ips

CHANGELOG.md

config/example-config.yaml

docker/example-docker-config.yaml

go.mod

go.sum

internal/endpoints/consent/pkg/restriction.go

internal/model/restrictionKey.go

internal/server/middlerwares.go

...rnal/server/web/partials/restrictions-gui-editor.mustache

internal/server/web/partials/restrictions.mustache

internal/server/web/static/js/restr-gui.js

internal/server/web/static/js/restrictions.js

internal/utils/cache/cache.go

internal/utils/iputils/iputils.go

shared/mytoken/restrictions/restriction.go

shared/mytoken/restrictions/restriction_test.go

shared/utils/utils.go