Numbers at hand

Generate randomized valid Belgian numbers for these types:
* National Identification Number (Rijksregisternummer / Numéro du Registre national / Nationalversicherungsnummer)
* Enterprise number (Ondernemingsnummer / Numéro d'entreprise / Unternehmensnummer)
* VAT number (BTW-nummer / Numéro de TVA / Umsatzsteuer-Identifikationsnummer)
* Establishment unit number (Vestigingseenheidsnummer / Numéro d’unité d’établissement / Niederlassungseinheitsnummer)
* NSSO number (RSZ-nummer / Numéro ONSS / LSS-Nummer)
* Number plate (Nummerplaat / Plaque d'immatriculation / Kfz-Kennzeichen)
* IBAN
* BIC

Generate randomized valid Dutch numbers for these types:
* National Identification Number (Burgerservicenummer)

Generate other useful strings:
* Nil UUID / randomized v4 UUID
* Current UTC datetime (ISO 8601)


How to use this extension:
* In any input-field : right-click and select a number-type to fill it in directly and/or copy it to your clipboard
* Through the extension popup : select a number-type to copy it to your clipboard

Options can be configured through the popup and the context-menu:
* Numbers can be generated either with or without the default punctuation
* Switch between BE and NL region
* The popup can be shown in Dark or Light mode
* Choose what happens when generating a number through context-menu: inject and/or copy to clipboard