import the beers by adding these commands to the current url:

https://www.burgbieren.nl/bier-importer/?import=brouwerijen&amount=all&offset=0
https://www.burgbieren.nl/bier-importer/?import=landen&amount=all&offset=0
https://www.burgbieren.nl/bier-importer/?import=biersoorten&amount=all&offset=0
https://www.burgbieren.nl/bier-importer/?import=bieren&amount=all&offset=0