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 <noreply@anthropic.com>

public/js/app.js

@@ -214,11 +214,15 @@ function endGame(states) {
     winner = winnerPlayer.name;
   }
 
-  // Build scores list
+  // Build scores list with garbage info
   Object.values(states).forEach(state => {
     const player = network.getPlayer(state.playerId);
     if (player) {
-      scores[player.name] = state.score;
+      scores[player.name] = {
+        score: state.score,
+        garbageReceived: (state.garbageReceived || []).length,
+        eliminated: state.eliminated
+      };
     }
   });