feat: implement high-priority SEO fixes and German localization

src/i18n/en.json

@@ -10,7 +10,9 @@
     "bulk_creation": "Bulk Creation",
     "analytics": "Analytics",
     "settings": "Settings",
-    "cta": "Get Started Free"
+    "cta": "Get Started Free",
+    "tools": "Free Tools",
+    "all_free": "All generators are 100% free"
   },
   "hero": {
     "badge": "Free QR Code Generator",
@@ -375,5 +377,22 @@
     "loading": "Loading...",
     "error": "An error occurred",
     "success": "Success!"
+  },
+  "footer": {
+    "product": "Product",
+    "features": "Features",
+    "pricing": "Pricing",
+    "faq": "FAQ",
+    "blog": "Blog",
+    "resources": "Resources",
+    "full_pricing": "Full Pricing",
+    "all_questions": "All Questions",
+    "all_articles": "All Articles",
+    "get_started": "Get Started",
+    "legal": "Legal",
+    "privacy_policy": "Privacy Policy",
+    "tagline": "Create custom QR codes in seconds with advanced tracking and analytics.",
+    "newsletter": "Newsletter signup",
+    "rights_reserved": "QR Master. All rights reserved."
   }
 }