ref(global) update project structure

frontend/app/public/MotionDiv.tsx

@@ -0,0 +1,5 @@
+'use client';
+
+import { motion } from 'framer-motion';
+
+export const MotionDiv = motion.div;

frontend/app/public/type/Result.ts

@@ -0,0 +1,7 @@
+export type Result<T, E> = {
+    ok: true;
+    value: T;
+} | {
+    ok: false;
+    error: E;
+};