Add Links.hr store config (cheerio, no JS rendering needed)

Croatian electronics retailer, 24 products per page.
Uses .card.mobile-card containers with h3 for names,
.product-price for prices, a.card-link for links.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

stores/links-hr.yaml

@@ -0,0 +1,12 @@
+name: Links.hr
+base_url: https://www.links.hr
+search_url: https://www.links.hr/hr/search?q={query}
+category: Electronics
+currency: EUR
+
+selectors:
+  container: ".card.mobile-card"
+  name: "h3"
+  price: ".product-price"
+  link: "a.card-link"
+  image: "img.img-fluid"