Update json-ld.html

Author: stefan-burke

src/_includes/json-ld.html

@@ -3,14 +3,14 @@
       "@context": "http://www.schema.org",
       "@type": "ProductCollection",
       "name": "Button Kin Games",
-      "url": "https://buttonkin.com",
+      "url": "https://www.buttonkin.com",
       "priceRange": "$",
-      "image": "https://buttonkin.com/assets/banner-1800.jpg",
+      "image": "https://www.buttonkin.com/assets/banner-1800.jpg",
       "sameAs": [
         "https://twitter.com/button_kin",
         "https://buttonkin.itch.io/",
         "https://buttonkingames.substack.com/"
       ],
       "description": "A boutique publisher of table top roleplaying games and adventure content based in Manchester, Uk."
     }
-</script>
+</script>