chore: update demo locales and scene data

public/demo/locales/en.json

@@ -90,5 +90,10 @@
       "title": "Completed",
       "desc": "Complete the game once"
     }
-  }
+  },
+  "battle": {
+    "hud": { "player": "You" },
+    "result": { "victory": "Victory!" }
+  },
+  "stat": { "courage": "Courage" }
 }

public/demo/locales/zh.json

@@ -90,5 +90,10 @@
       "title": "通关达成",
       "desc": "完成一次游戏"
     }
-  }
+  },
+  "battle": {
+    "hud": { "player": "你" },
+    "result": { "victory": "击退成功！" }
+  },
+  "stat": { "courage": "勇气" }
 }