Add Blog page with routing, layout, and mock posts; update navigation and localization

src/locales/en.json

@@ -73,6 +73,20 @@
     "english": "English",
     "chinese": "中文"
   },
+  "blog": {
+    "title": "Community Blog",
+    "subtitle": "Stay updated with the latest news, tutorials, and insights from the Counter-Strike community",
+    "featuredPost": "Featured Article",
+    "recentPosts": "Recent Posts",
+    "readMore": "Read More",
+    "by": "by",
+    "categories": "Categories",
+    "loadMore": "Load More Articles",
+    "subscribe": "Subscribe to Newsletter",
+    "subscribeDesc": "Get the latest articles and updates delivered to your inbox",
+    "emailPlaceholder": "Enter your email address",
+    "subscribeBtn": "Subscribe"
+  },
   "friends": {
     "title": "Friend Links",
     "subtitle": "Discover amazing communities and resources from our partner websites",