Update link to Angular Tetris

Author: trungvose

frontend/src/app/project/pages/board/board.component.html

@@ -17,7 +17,7 @@
                     </div>
                 </j-button>
             </a>
-            <a href="https://github.com/trungk18/angular-tetris"
+            <a href="https://tetris.trungk18.com/"
                target="_blank"
                rel="noreferrer noopener">
                 <j-button className="btn-secondary mr-2"> 🎮 Angular Tetris