Demo Search (demo_search) is a custom Drupal module to show Algolia search on a website. Tweak the module to get it to work for your site. One needs to sign up for an Algolia account and use the Drupal module search_api_algolia.
Stock is a content type. Person is a content type. Type is a taxonomy for stock inventory.
Demo Subtheme is a sub theme of Olivero. Not a lot of changes.