Make tutorial directory

Tutorial/main.js

+const config = {
+    type: Phaser.AUTO,
+    parent: 'app',
+    width: 800,
+    height: 600,
+    physics: {
+        default: 'arcade',
+        arcade: {
+            gravity: { y: 200 },
+        },
+    },
+    scene: [BasicWebGame]
+}
\ No newline at end of file