make the game start by pressing space

index.html

@@ -255,12 +255,18 @@
                     handleJump();
                 }
             });
-            
             startBtn.addEventListener('click', startGame);
             restartBtn.addEventListener('click', startGame);
             
+            // Start game with spacebar
+            document.addEventListener('keydown', (e) => {
+                if (e.code === 'Space' && startScreen.style.display !== 'none') {
+                    startGame();
+                }
+            });
+            
             // Initialize feather icons
-            feather.replace();
+feather.replace();
         });
     </script>
 </body>