refactor: #fe tutorial file structure

frontend/src/js/tutorial_scene.ts

@@ -4,7 +4,7 @@ import { FONTS } from "./assets";
 import MainScene, { InputStatus } from "./main_scene";
 import Spear from "./spear";
 
-import { STEPS as P1_STEPS } from "./tutorial/p1";
+import { STEPS } from "./tutorial_steps";
 import { nthFibonacci } from "./utils";
 
 const BUTTON_HIGHLIGHT_COLOR = "darkorange";
@@ -42,7 +42,7 @@ export default class TutorialScene extends MainScene {
 
   constructor() {
     super("tutorial");
-    this.steps = P1_STEPS;
+    this.steps = STEPS;
   }
 
   async beforeGameStart() {

frontend/src/js/tutorial/p1.ts → frontend/src/js/tutorial_steps.ts

 import "phaser";
 
-import TutorialScene, { TutorialStep } from "../tutorial_scene";
-import Critter from "../critter";
-import Spear from "../spear";
-import Foe from "../foe";
+import TutorialScene, { TutorialStep } from "./tutorial_scene";
+import Critter from "./critter";
+import Spear from "./spear";
+import Foe from "./foe";
 
 interface TrialRoundOptions {
   scene: TutorialScene;