Connect Meshkee catalog, customer login, and SEO sitemap config.

Wire products and articles to the public API, send guests to the customer portal, and publish sitemap-config for Meshkee nginx.

Co-authored-by: Cursor <cursoragent@cursor.com>

src/lib/format.ts

@@ -0,0 +1,5 @@
+const FA_DIGITS = ["۰", "۱", "۲", "۳", "۴", "۵", "۶", "۷", "۸", "۹"];
+
+export function toFa(value: number | string): string {
+  return String(value).replace(/[0-9]/g, (d) => FA_DIGITS[Number(d)]);
+}