feat: add stand and get game features to blackjack game

frontend/src/app/feature/game/blackjack/blackjack.component.html

@@ -7,6 +7,8 @@
       <app-player-hand [cards]="playerCards()"></app-player-hand>
       @if (gameInProgress()) {
         <app-game-controls
+          [playerCards]="playerCards()"
+          [gameState]="gameState()"
           (hit)="onHit()"
           (stand)="onStand()"
           (leave)="leaveGame()"
@@ -24,3 +26,10 @@
     </div>
   </div>
 </div>
+
+<!-- Game Result Modal -->
+<app-game-result
+  [gameState]="gameState()"
+  [amount]="currentBet()"
+  [show]="showGameResult()"
+></app-game-result>