fix：1、添加支付，使用sdk的支付方案

Assets/Scenes/MainScene.unity

@@ -1893,6 +1893,50 @@ SpriteRenderer:
   m_WasSpriteAssigned: 1
   m_MaskInteraction: 0
   m_SpriteSortPoint: 0
+--- !u!1 &1659410217
+GameObject:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  serializedVersion: 6
+  m_Component:
+  - component: {fileID: 1659410219}
+  - component: {fileID: 1659410218}
+  m_Layer: 0
+  m_Name: IAPPayManager
+  m_TagString: Untagged
+  m_Icon: {fileID: 0}
+  m_NavMeshLayer: 0
+  m_StaticEditorFlags: 0
+  m_IsActive: 1
+--- !u!114 &1659410218
+MonoBehaviour:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 1659410217}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: f4b5c2a375fb4610a0417b408c252104, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: 
+--- !u!4 &1659410219
+Transform:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 1659410217}
+  serializedVersion: 2
+  m_LocalRotation: {x: 0, y: 0, z: 0, w: 1}
+  m_LocalPosition: {x: -21.708763, y: 1.0219306, z: 3152.2478}
+  m_LocalScale: {x: 1, y: 1, z: 1}
+  m_ConstrainProportionsScale: 0
+  m_Children: []
+  m_Father: {fileID: 0}
+  m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
 --- !u!1 &1667672678
 GameObject:
   m_ObjectHideFlags: 0
@@ -2342,3 +2386,4 @@ SceneRoots:
   - {fileID: 392099410}
   - {fileID: 29401442}
   - {fileID: 292594112}
+  - {fileID: 1659410219}