Beverage Taxonomy Importer

Install:
1. WordPress Admin -> Plugins -> Add New -> Upload Plugin
2. Upload beverage-taxonomy-importer.zip
3. Activate the plugin
4. The importer runs automatically on the next admin request.
5. You can also go to Tools -> Beverage Taxonomy Importer and click "Run Import Now".

Requirements:
- The following taxonomies must already exist and be active:
  beverage_type
  packaging_type
  capacity_band
  production_stage
  project_location

Notes:
- Safe to run multiple times.
- Existing terms are not duplicated.
- project_location hierarchy is created as Region -> Country.
