add modal window UI

Assets/Prefabs/button.prefab

@@ -11,6 +11,7 @@ GameObject:
   - component: {fileID: 3806516703089782041}
   - component: {fileID: 3806516703089782043}
   - component: {fileID: 3806516703089782040}
+  - component: {fileID: 8262234233815637061}
   m_Layer: 5
   m_Name: Text (TMP)
   m_TagString: Untagged
@@ -25,17 +26,17 @@ RectTransform:
   m_PrefabInstance: {fileID: 0}
   m_PrefabAsset: {fileID: 0}
   m_GameObject: {fileID: 3806516703089782046}
-  m_LocalRotation: {x: 0, y: 0, z: 0, w: 1}
+  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_ConstrainProportionsScale: 0
   m_Children: []
-  m_Father: {fileID: 3806516704876462308}
-  m_RootOrder: 1
+  m_Father: {fileID: 3806516703338386383}
+  m_RootOrder: 0
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
   m_AnchorMin: {x: 0, y: 0}
-  m_AnchorMax: {x: 1, y: 1}
-  m_AnchoredPosition: {x: 0, y: 0}
+  m_AnchorMax: {x: 0, y: 0}
+  m_AnchoredPosition: {x: 21.18, y: 0}
   m_SizeDelta: {x: 0, y: 0}
   m_Pivot: {x: 0.5, y: 0.5}
 --- !u!222 &3806516703089782043
@@ -135,6 +136,20 @@ MonoBehaviour:
   m_hasFontAssetChanged: 0
   m_baseMaterial: {fileID: 0}
   m_maskOffset: {x: 0, y: 0, z: 0, w: 0}
+--- !u!114 &8262234233815637061
+MonoBehaviour:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 3806516703089782046}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: 3245ec927659c4140ac4f8d17403cc18, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: 
+  m_HorizontalFit: 2
+  m_VerticalFit: 2
 --- !u!1 &3806516703338386380
 GameObject:
   m_ObjectHideFlags: 0
@@ -148,6 +163,8 @@ GameObject:
   - component: {fileID: 3806516703338386376}
   - component: {fileID: 3806516703338386377}
   - component: {fileID: 3806516703338386382}
+  - component: {fileID: 8115133298804345861}
+  - component: {fileID: 2413812458207048714}
   m_Layer: 5
   m_Name: Background
   m_TagString: Untagged
@@ -166,13 +183,14 @@ RectTransform:
   m_LocalPosition: {x: 0, y: 0, z: 0}
   m_LocalScale: {x: 1, y: 1, z: 1}
   m_ConstrainProportionsScale: 0
-  m_Children: []
+  m_Children:
+  - {fileID: 3806516703089782041}
   m_Father: {fileID: 3806516704876462308}
   m_RootOrder: 0
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
   m_AnchorMin: {x: 0, y: 0}
-  m_AnchorMax: {x: 1, y: 1}
-  m_AnchoredPosition: {x: 0, y: 0}
+  m_AnchorMax: {x: 0, y: 0}
+  m_AnchoredPosition: {x: -42.48101, y: 0}
   m_SizeDelta: {x: 0, y: 0}
   m_Pivot: {x: 0.5, y: 0.5}
 --- !u!222 &3806516703338386379
@@ -243,6 +261,46 @@ MonoBehaviour:
   m_EffectColor: {r: 0, g: 0, b: 0, a: 0.5}
   m_EffectDistance: {x: 1, y: -1}
   m_UseGraphicAlpha: 1
+--- !u!114 &8115133298804345861
+MonoBehaviour:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 3806516703338386380}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: 30649d3a9faa99c48a7b1166b86bf2a0, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: 
+  m_Padding:
+    m_Left: 5
+    m_Right: 5
+    m_Top: 5
+    m_Bottom: 5
+  m_ChildAlignment: 4
+  m_Spacing: 0
+  m_ChildForceExpandWidth: 1
+  m_ChildForceExpandHeight: 1
+  m_ChildControlWidth: 0
+  m_ChildControlHeight: 0
+  m_ChildScaleWidth: 0
+  m_ChildScaleHeight: 0
+  m_ReverseArrangement: 0
+--- !u!114 &2413812458207048714
+MonoBehaviour:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 3806516703338386380}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: 3245ec927659c4140ac4f8d17403cc18, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: 
+  m_HorizontalFit: 2
+  m_VerticalFit: 2
 --- !u!1 &3806516704876462309
 GameObject:
   m_ObjectHideFlags: 0
@@ -253,6 +311,7 @@ GameObject:
   m_Component:
   - component: {fileID: 3806516704876462308}
   - component: {fileID: 3806516704876462311}
+  - component: {fileID: 327755658309153619}
   m_Layer: 5
   m_Name: button
   m_TagString: Untagged
@@ -273,7 +332,6 @@ RectTransform:
   m_ConstrainProportionsScale: 0
   m_Children:
   - {fileID: 3806516703338386383}
-  - {fileID: 3806516703089782041}
   m_Father: {fileID: 0}
   m_RootOrder: 0
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
@@ -326,3 +384,29 @@ MonoBehaviour:
   m_OnClick:
     m_PersistentCalls:
       m_Calls: []
+--- !u!114 &327755658309153619
+MonoBehaviour:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 3806516704876462309}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: 30649d3a9faa99c48a7b1166b86bf2a0, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: 
+  m_Padding:
+    m_Left: 0
+    m_Right: 0
+    m_Top: 0
+    m_Bottom: 0
+  m_ChildAlignment: 0
+  m_Spacing: 0
+  m_ChildForceExpandWidth: 1
+  m_ChildForceExpandHeight: 1
+  m_ChildControlWidth: 0
+  m_ChildControlHeight: 0
+  m_ChildScaleWidth: 0
+  m_ChildScaleHeight: 0
+  m_ReverseArrangement: 0