Enhance playtime formatting to include hours and minutes; update localization for time in English and Chinese

src/App.tsx

@@ -122,15 +122,18 @@ function App() {
       .catch(error => console.error('Error fetching top players:', error))
   }, [])
 
-  // Format playtime from seconds to hours
+  // Format playtime from seconds to hours and minutes
   const formatPlayTime = (seconds: number) => {
     const hours = Math.floor(seconds / 3600)
-    if (hours >= 1000000) {
-      return `${(hours / 1000000).toFixed(1)}M`
-    } else if (hours >= 1000) {
-      return `${(hours / 1000).toFixed(1)}K`
+    const minutes = Math.floor((seconds % 3600) / 60)
+
+    if (hours > 0) {
+      if (minutes > 0) {
+        return `${hours}${t('time.hours')} ${minutes}${t('time.minutes')}`
+      }
+      return `${hours}${t('time.hours')}`
     }
-    return hours.toLocaleString()
+    return `${minutes}${t('time.minutes')}`
   }
 
   // Format time ago from timestamp