feat: implement i18n for product and category, add 5 new locales

apps/spa/src/locales/en/translation.json

@@ -26,7 +26,9 @@
     "continueShopping": "Continue Shopping",
     "subtotal": "Subtotal",
     "shippingNote": "Shipping and taxes calculated at checkout.",
-    "proceed": "Proceed to Checkout"
+    "proceed": "Proceed to Checkout",
+    "addToCart": "Add to Cart",
+    "totalPrice": "Total Price"
   },
   "footer": {
     "catchphrase": "Elevate your space with premium fragrances.",
@@ -35,5 +37,23 @@
     "followUs": "Follow Us",
     "contactUs": "Contact Us",
     "rights": "All rights reserved."
+  },
+  "common": {
+    "home": "Home",
+    "shop": "Shop",
+    "viewAll": "View All →",
+    "backToShop": "Back to Shop"
+  },
+  "product": {
+    "notFound": "Product not found",
+    "premiumCollection": "Premium Collection",
+    "selectSize": "Select Size",
+    "details": "Product Details",
+    "scent": "Scent",
+    "category": "Category",
+    "relatedProducts": "Related Products",
+    "moreRelated": "More {{category}}",
+    "reviews": "Reviews",
+    "viewDetails": "View Details →"
   }
-}
+}