Add Forum page with layout, mock data, and routing; update navigation and localization

src/locales/zh.json

@@ -87,6 +87,25 @@
     "regions": "地区",
     "uptime": "正常运行时间"
   },
+  "forum": {
+    "title": "社区论坛",
+    "subtitle": "与其他反恐精英玩家交流，分享策略，讨论最新更新",
+    "createThread": "创建新主题",
+    "categories": "论坛分类",
+    "threads": "主题",
+    "posts": "帖子",
+    "lastPost": "最后回复",
+    "by": "由",
+    "recentThreads": "最新主题",
+    "thread": "主题",
+    "replies": "回复",
+    "views": "查看",
+    "forumStats": "论坛统计",
+    "totalThreads": "总主题数",
+    "totalPosts": "总帖子数",
+    "onlineUsers": "在线用户",
+    "newMembers": "新成员"
+  },
   "blog": {
     "title": "社区博客",
     "subtitle": "及时了解反恐精英社区的最新新闻、教程和见解",