feat(storefront): add payment/carrier assets, CustomerConfidenceBooster, and footer enhancements

- Add payment method SVGs (Visa, Mastercard, Apple Pay, Google Pay, Klarna, Link, Revolut Pay, Billie, Cartes, Discover)
- Add carrier images (DPD, Evri)
- Add CustomerConfidenceBooster section component
- Enhance Footer with payment methods and carrier display
- Wire CustomerConfidenceBooster into shop pages (PetCategory, RecentlyAdded, ShopIndex, SubCategory, Tag, TopCategory) and home page
- Update tsconfig.json

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

apps/storefront/src/components/sections/CustomerConfidenceBooster.tsx

@@ -0,0 +1,107 @@
+"use client";
+
+/**
+ * Customer confidence booster: trust badges (Free Shipping, Easy Returns, Secure Checkout).
+ * Rendered below product grids on shop pages and homepage. PetPaws theme, mobile-first.
+ */
+export function CustomerConfidenceBooster() {
+  const items: { title: string; subheading: string; icon: React.ReactNode }[] = [
+    {
+      title: "Free Shipping",
+      subheading: "No extra costs (T&C apply)",
+      icon: (
+        <svg
+          className="size-8 shrink-0"
+          viewBox="0 0 24 24"
+          fill="none"
+          stroke="currentColor"
+          strokeWidth="1.5"
+          strokeLinecap="round"
+          strokeLinejoin="round"
+          aria-hidden
+        >
+          <path d="M5 18H3c-.6 0-1-.4-1-1V7c0-.6.4-1 1-1h10c.6 0 1 .4 1 1v2" />
+          <path d="M19 10h2l-1.5 4.5L18 10h2" />
+          <path d="M14 10h4" />
+          <path d="M2 14h15.5" />
+          <circle cx="7" cy="18" r="2" />
+          <path d="M9 18h6" />
+          <circle cx="17" cy="18" r="2" />
+        </svg>
+      ),
+    },
+    {
+      title: "Easy Returns",
+      subheading: "Return with ease",
+      icon: (
+        <svg
+          className="size-8 shrink-0"
+          viewBox="0 0 24 24"
+          fill="none"
+          stroke="currentColor"
+          strokeWidth="1.5"
+          strokeLinecap="round"
+          strokeLinejoin="round"
+          aria-hidden
+        >
+          <path d="M16 3h5v5" />
+          <path d="M8 3H3v5" />
+          <path d="M12 22v-8.3a4 4 0 0 0-1.2-2.9L3 7" />
+          <path d="m3 7 7.8 7.8a4 4 0 0 1 1.2 2.9V22" />
+          <path d="M21 7l-7.8 7.8a4 4 0 0 1-1.2 2.9V12" />
+        </svg>
+      ),
+    },
+    {
+      title: "Secure Checkout",
+      subheading: "Secure payment",
+      icon: (
+        <svg
+          className="size-8 shrink-0"
+          viewBox="0 0 24 24"
+          fill="none"
+          stroke="currentColor"
+          strokeWidth="1.5"
+          strokeLinecap="round"
+          strokeLinejoin="round"
+          aria-hidden
+        >
+          <path d="M12 22s8-4 8-10V5l-8-3-8 3v7c0 6 8 10 8 10z" />
+        </svg>
+      ),
+    },
+  ];
+
+  return (
+    <section
+      aria-label="Why shop with us"
+      className="w-full border border-[#d9e8e7] bg-gradient-to-r from-[#e8f7f6] to-[#f0f8f7] px-4 py-6 md:px-6 md:py-8 m-16 max-w-7xl mx-auto rounded-xl"
+    >
+      <div className="mx-auto grid w-full max-w-4xl grid-cols-1 gap-6 sm:grid-cols-2 md:grid-cols-3 md:gap-8">
+        {items.map(({ title, subheading, icon }) => (
+          <div
+            key={title}
+            className="flex flex-col items-center gap-3 text-center"
+          >
+            <div
+              className="flex size-12 items-center justify-center rounded-full bg-white text-[#236f6b] shadow-sm ring-1 ring-[#d9e8e7]"
+              aria-hidden
+            >
+              {icon}
+            </div>
+            <div className="flex flex-col gap-0.5">
+              <span
+                className="block font-[family-name:var(--font-fraunces)] text-base font-semibold text-[#1a2e2d] md:text-lg"
+              >
+                {title}
+              </span>
+              <span className="block text-sm text-[#3d5554]">
+                {subheading}
+              </span>
+            </div>
+          </div>
+        ))}
+      </div>
+    </section>
+  );
+}