chore: .gitignore, 씬 및 UI/무기 디렉토리 업데이트

- .gitignore: External packages, Sketchfab, Wwise 무시 추가
- Colosseum.slnx: 솔루션 파일 업데이트
- Test.unity: 게임 매니저 및 UI 연동
- UI/, Weapons/ 디렉토리 추가

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-opencode)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

Assets/Weapons/NewWeapon.asset

@@ -0,0 +1,31 @@
+%YAML 1.1
+%TAG !u! tag:unity3d.com,2011:
+--- !u!114 &11400000
+MonoBehaviour:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 0}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: 52134ecd4c816f64888d34b2163e7af1, type: 3}
+  m_Name: NewWeapon
+  m_EditorClassIdentifier: Colosseum.Game::Colosseum.Weapons.WeaponData
+  weaponName: "\uAC80"
+  description: 
+  icon: {fileID: 21300000, guid: 70e07ab1b9f326b4bae30fe839d609ea, type: 3}
+  weaponSlot: 0
+  weaponPrefab: {fileID: 1631607032641582, guid: 92cfe4029ea2b754caa0b3f00d52d41a, type: 3}
+  positionOffset: {x: 0, y: 0, z: 0}
+  rotationOffset: {x: 0, y: 0, z: 0}
+  scale: {x: 1, y: 1, z: 1}
+  strengthBonus: 0
+  dexterityBonus: 0
+  intelligenceBonus: 0
+  vitalityBonus: 0
+  wisdomBonus: 0
+  spiritBonus: 0
+  damageMultiplier: 1
+  rangeMultiplier: 1
+  manaCostMultiplier: 1

Assets/Weapons/NewWeapon.asset.meta

@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: 646964ccbda84e947b97537d7f7813aa
+NativeFormatImporter:
+  externalObjects: {}
+  mainObjectFileID: 11400000
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Weapons/SM_Wep_Sword_01.prefab

@@ -0,0 +1,81 @@
+%YAML 1.1
+%TAG !u! tag:unity3d.com,2011:
+--- !u!1 &1631607032641582
+GameObject:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  serializedVersion: 6
+  m_Component:
+  - component: {fileID: 4561571508225656}
+  - component: {fileID: 33122181552623900}
+  - component: {fileID: 23019494539852092}
+  m_Layer: 0
+  m_Name: SM_Wep_Sword_01
+  m_TagString: Untagged
+  m_Icon: {fileID: 0}
+  m_NavMeshLayer: 0
+  m_StaticEditorFlags: 0
+  m_IsActive: 1
+--- !u!4 &4561571508225656
+Transform:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 1631607032641582}
+  m_LocalRotation: {x: 0, y: 0, z: 0, w: 1}
+  m_LocalPosition: {x: 0, y: 0, z: 0}
+  m_LocalScale: {x: 1, y: 1, z: 1}
+  m_Children: []
+  m_Father: {fileID: 0}
+  m_RootOrder: 0
+  m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
+--- !u!33 &33122181552623900
+MeshFilter:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 1631607032641582}
+  m_Mesh: {fileID: 4300000, guid: a29e10a78af23e243949a44795e2787f, type: 3}
+--- !u!23 &23019494539852092
+MeshRenderer:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 1631607032641582}
+  m_Enabled: 1
+  m_CastShadows: 1
+  m_ReceiveShadows: 1
+  m_DynamicOccludee: 1
+  m_MotionVectors: 1
+  m_LightProbeUsage: 1
+  m_ReflectionProbeUsage: 1
+  m_RayTracingMode: 2
+  m_RenderingLayerMask: 1
+  m_RendererPriority: 0
+  m_Materials:
+  - {fileID: 2100000, guid: ea128b040f8b0af4c9d2de400aaff30a, type: 2}
+  m_StaticBatchInfo:
+    firstSubMesh: 0
+    subMeshCount: 0
+  m_StaticBatchRoot: {fileID: 0}
+  m_ProbeAnchor: {fileID: 0}
+  m_LightProbeVolumeOverride: {fileID: 0}
+  m_ScaleInLightmap: 1
+  m_ReceiveGI: 1
+  m_PreserveUVs: 0
+  m_IgnoreNormalsForChartDetection: 0
+  m_ImportantGI: 0
+  m_StitchLightmapSeams: 1
+  m_SelectedEditorRenderState: 3
+  m_MinimumChartSize: 4
+  m_AutoUVMaxDistance: 0.5
+  m_AutoUVMaxAngle: 89
+  m_LightmapParameters: {fileID: 0}
+  m_SortingLayerID: 0
+  m_SortingLayer: 0
+  m_SortingOrder: 0

Assets/Weapons/SM_Wep_Sword_01.prefab.meta

@@ -0,0 +1,9 @@
+fileFormatVersion: 2
+guid: 92cfe4029ea2b754caa0b3f00d52d41a
+timeCreated: 1554786157
+licenseType: Store
+NativeFormatImporter:
+  mainObjectFileID: 100100000
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: