Show garbage received on player elimination

- Add garbageReceived array to player objects
- Track garbage in addGarbageToPlayer() with sender name
- Include garbageReceived in getStates() output
- Update endGame() to pass garbage stats to UI
- Update showGameOver() to display garbage count per player
- Add CSS styling for eliminated players and garbage column
- Bump CSS version for cache refresh

Co-Authored-By: Claude Opus 4.6 <[email protected]>

public/index.html

@@ -7,7 +7,7 @@
   <link rel="preconnect" href="https://fonts.googleapis.com">
   <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
   <link href="https://fonts.googleapis.com/css2?family=Press+Start+2P&display=swap" rel="stylesheet">
-  <link rel="stylesheet" href="css/style.css?v=10">
+  <link rel="stylesheet" href="css/style.css?v=11">
 </head>
 <body>
   <div id="app">