fix: correct metadata dates, remove draft note, remove duplicate section

- Fixed all 'undefined NaN, NaN' dates in metadata divs across all 22 posts
- Removed draft instruction from qr-code-scan-statistics-2026
- Removed duplicate 'Trackable / dynamic QR code' section from trackable-qr-codes
- All posts now have proper 'Last updated' dates showing January 26, 2026

next.config.mjs

@@ -20,13 +20,33 @@ const nextConfig = {
     pagesBufferLength: 2,
   },
   poweredByHeader: false,
-  async redirects() {
-    return [
-      {
-        source: '/tools/phone-qr-code',
-        destination: '/tools/call-qr-code-generator',
-        permanent: true,
-      },
+  async redirects() {
+    return [
+      {
+        source: '/create-qr',
+        destination: '/dynamic-qr-code-generator',
+        permanent: true,
+      },
+      {
+        source: '/guide/tracking-analytics',
+        destination: '/learn/tracking',
+        permanent: true,
+      },
+      {
+        source: '/guide/bulk-qr-code-generation',
+        destination: '/learn/developer',
+        permanent: true,
+      },
+      {
+        source: '/guide/qr-code-best-practices',
+        destination: '/learn/basics',
+        permanent: true,
+      },
+      {
+        source: '/tools/phone-qr-code',
+        destination: '/tools/call-qr-code-generator',
+        permanent: true,
+      },
       {
         source: '/barcode-generator',
         destination: '/tools/barcode-generator',