chore: Assets 디렉토리 구조 정리 및 네이밍 컨벤션 적용

- Assets/_Game/ 하위로 게임 에셋 통합
- External/ 패키지 벤더별 분류 (Synty, Animations, UI)
- 에셋 네이밍 컨벤션 확립 및 적용
  (Data_Skill_, Data_SkillEffect_, Prefab_, Anim_, Model_, BT_ 등)
- pre-commit hook으로 네이밍 컨벤션 자동 검사 추가
- RESTRUCTURE_CHECKLIST.md 작성

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Assets/External/UI/InterfaceFantasyWarriorHUD/Samples/Scripts/SampleTimeLabel.cs

@@ -0,0 +1,78 @@
+// Copyright (c) 2024 Synty Studios Limited. All rights reserved.
+//
+// Use of this software is subject to the terms and conditions of the Synty Studios End User Licence Agreement (EULA)
+// available at: https://syntystore.com/pages/end-user-licence-agreement
+//
+// Sample scripts are included only as examples and are not intended as production-ready.
+
+using System;
+using System.Collections;
+using TMPro;
+using UnityEngine;
+
+namespace Synty.Interface.FantasyWarriorHUD.Samples
+{
+    /// <summary>
+    ///     A simple time label that displays the current time.
+    /// </summary>
+    public class SampleTimeLabel : MonoBehaviour
+    {
+        [Header("References")]
+        public TMP_Text label;
+
+        [Header("Parameters")]
+        public bool is24Hour = true;
+        public float timeToRefreshInSeconds = 1;
+
+        private bool beat;
+
+        private void Awake()
+        {
+            if (label == null)
+            {
+                label = GetComponent<TMP_Text>();
+            }
+        }
+
+        private void OnEnable()
+        {
+            StartCoroutine(C_UpdateTime());
+        }
+
+        private void OnDisable()
+        {
+            StopCoroutine(C_UpdateTime());
+        }
+
+        public string GetCurrentTimeString()
+        {
+            if (!is24Hour)
+            {
+                return DateTime.Now.ToString("hh:mm tt");
+            }
+
+            if (beat)
+            {
+                return DateTime.Now.ToString("HH<color=#AAAAAA>:</color>mm");
+            }
+
+            return DateTime.Now.ToString("HH:mm");
+        }
+
+        [ContextMenu("Update Time")]
+        public void UpdateTime()
+        {
+            label.SetText(GetCurrentTimeString());
+        }
+
+        private IEnumerator C_UpdateTime()
+        {
+            while (true)
+            {
+                UpdateTime();
+                beat = !beat;
+                yield return new WaitForSecondsRealtime(timeToRefreshInSeconds);
+            }
+        }
+    }
+}