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/css/style.css

@@ -397,6 +397,16 @@ button:active {
   color: #0f0;
 }
 
+#final-scores .score-item.eliminated {
+  border-color: #f00;
+  opacity: 0.7;
+}
+
+#final-scores .score-item span:last-child {
+  color: #888;
+  font-size: 0.7rem;
+}
+
 /* Game Over Overlay */
 #gameover-screen {
   position: fixed;