Allows setting custom location types, such as showcased in: https://backstage.io/docs/features/software-catalog/external-integrations/#creating-a-catalog-data-reader-processor
List of location types to allow, default is "url" and "file"
Allows setting custom location types, such as showcased in: https://backstage.io/docs/features/software-catalog/external-integrations/#creating-a-catalog-data-reader-processor