Add topnav layout with MainNavigation, SubNavigation, GlobalSearchBar, SplitLayout

i18n/locales/en/search.json

@@ -3,10 +3,14 @@
     "title": "Find Raw Materials",
     "subtitle": "& Industrial Services",
     "description": "Connect with suppliers, get competitive prices, and streamline your procurement process",
+    "product": "Product",
     "product_label": "What are you looking for?",
     "product_placeholder": "Select material type",
+    "quantity": "Quantity",
     "quantity_label": "Quantity",
     "quantity_placeholder": "Amount",
+    "destination": "Destination",
+    "destination_placeholder": "City or hub",
     "location_label": "Delivery to",
     "location_placeholder": "City or region",
     "search_button": "Search",