feat: 드로그 보스 리네임 및 기본 패턴 구현

- TestBoss 관련 프리팹, 데이터, 애니메이션, BT 자산을 Drog 명칭으로 정리
- 드로그 전용 패턴 컨트롤러와 기본 패턴 루프를 추가
- 오른손치기2 기반 내려찍기와 다운 추가타 연계 진입점을 구현
- 점프, 스윙, 다운 추가타 관련 스킬 및 이펙트 데이터를 정리

Assets/_Game/AI/BT_Drog.asset

@@ -1,4 +1,4 @@
-%YAML 1.1
+%YAML 1.1
 %TAG !u! tag:unity3d.com,2011:
 --- !u!114 &-6758363554468061369
 MonoBehaviour:
@@ -10,7 +10,7 @@ MonoBehaviour:
   m_Enabled: 1
   m_EditorHideFlags: 0
   m_Script: {fileID: 11500000, guid: 5b27bb6d9a2c8d540a10dff10acc543e, type: 3}
-  m_Name: BT_TestBoss Debug Info
+  m_Name: BT_Drog Debug Info
   m_EditorClassIdentifier: Unity.Behavior::Unity.Behavior.BehaviorGraphDebugInfo
   m_CodeBreakPointsList: []
 --- !u!114 &-6591390698989283165
@@ -23,7 +23,7 @@ MonoBehaviour:
   m_Enabled: 1
   m_EditorHideFlags: 0
   m_Script: {fileID: 11500000, guid: 2dd922ae02c94c87a66e46a10a7319b9, type: 3}
-  m_Name: BT_TestBoss Blackboard
+  m_Name: BT_Drog Blackboard
   m_EditorClassIdentifier: Unity.Behavior.Authoring::Unity.Behavior.BehaviorBlackboardAuthoringAsset
   AssetID:
     m_Value0: 11861793134961942170
@@ -112,7 +112,7 @@ MonoBehaviour:
   m_Enabled: 1
   m_EditorHideFlags: 0
   m_Script: {fileID: 11500000, guid: db920e62f70f420bb33c771449926fa4, type: 3}
-  m_Name: BT_TestBoss
+  m_Name: BT_Drog
   m_EditorClassIdentifier: Unity.Behavior::Unity.Behavior.BehaviorGraph
   Graphs:
   - rid: 8805855836547055693
@@ -595,7 +595,7 @@ MonoBehaviour:
   m_Enabled: 1
   m_EditorHideFlags: 0
   m_Script: {fileID: 11500000, guid: bad8f2220607dac4db5082ff333fafb8, type: 3}
-  m_Name: BT_TestBoss
+  m_Name: BT_Drog
   m_EditorClassIdentifier: Unity.Behavior.Authoring::Unity.Behavior.BehaviorAuthoringGraph
   Blackboard: {fileID: -6591390698989283165}
   m_Description: 
@@ -2417,7 +2417,7 @@ MonoBehaviour:
   m_Enabled: 1
   m_EditorHideFlags: 0
   m_Script: {fileID: 11500000, guid: 5c02bb70996b49eba31d0c206e28da24, type: 3}
-  m_Name: BT_TestBoss Blackboard
+  m_Name: BT_Drog Blackboard
   m_EditorClassIdentifier: Unity.Behavior::Unity.Behavior.RuntimeBlackboardAsset
   VersionTimestamp: 639094519736977735
   AssetID:
@@ -2483,3 +2483,4 @@ MonoBehaviour:
           m_Value1: 14990413519379198129
         Name: Die
         m_Value: 0
+