Refactor App component to integrate mock statistics and recent chat messages; update localization for stats and activity sections

src/locales/en.json

@@ -18,10 +18,10 @@
     "viewStats": "📊 View Stats"
   },
   "stats": {
-    "onlinePlayers": "Online Players",
-    "activeServers": "Active Servers",
-    "hoursPlayed": "Hours Played",
-    "liveMatches": "Live Matches"
+    "totalPlayers": "Total Players",
+    "totalConnects": "Total Connections",
+    "totalPlayTime": "Hours Played",
+    "totalKills": "Total Kills"
   },
   "features": {
     "title": "Community Features",
@@ -53,11 +53,11 @@
   },
   "activity": {
     "title": "Recent Activity",
-    "topPlayers": "🏆 Top Players",
-    "quickStats": "🎯 Quick Stats",
-    "avgMatchTime": "Avg Match Time: 12m 34s",
-    "mostPopularMap": "Most Popular Map: Dust2",
-    "peakHours": "Peak Hours: 8-11 PM"
+    "topPlayers": "Top Players by Playtime",
+    "serverInfo": "Server Info",
+    "serverStatus": "Status: Online ✓",
+    "currentMap": "Map: de_dust2",
+    "nextRestart": "Restart: 6h 30m"
   },
   "footer": {
     "community": "🎯 CS Community",