Add breadcrumb

[scito]

• for users on pages and
• in json-ld for search engines

https://schema.org/BreadcrumbList

Example:

<script type="application/ld+json">{
    "@context": "https://schema.org",
    "@type": "BreadcrumbList",
    "itemListElement": [
        {
            "@type": "ListItem",
            "position": 1,
            "name": "Büromaterial",
            "item": "https://www.digitec.ch/de/s1/tag/bueromaterial-678"
        }
    ]
}</script>