Reuse scripts instead of copypaste code

Assets/Scenes/LoadingMenu.unity

@@ -385,7 +385,6 @@ MonoBehaviour:
   m_ScreenCoordScaleBias: {x: 0, y: 0, z: 0, w: 0}
   m_RequiresDepthTexture: 0
   m_RequiresColorTexture: 0
-  m_Version: 2
   m_TaaSettings:
     m_Quality: 3
     m_FrameInfluence: 0.1
@@ -393,6 +392,7 @@ MonoBehaviour:
     m_MipBias: 0
     m_VarianceClampScale: 0.9
     m_ContrastAdaptiveSharpening: 0
+  m_Version: 2
 --- !u!114 &705564547
 MonoBehaviour:
   m_ObjectHideFlags: 0
@@ -603,6 +603,7 @@ GameObject:
   - component: {fileID: 798394522}
   - component: {fileID: 798394521}
   - component: {fileID: 798394520}
+  - component: {fileID: 798394523}
   m_Layer: 5
   m_Name: ContinueButton
   m_TagString: Untagged
@@ -712,6 +713,19 @@ CanvasRenderer:
   m_PrefabAsset: {fileID: 0}
   m_GameObject: {fileID: 798394518}
   m_CullTransparentMesh: 1
+--- !u!114 &798394523
+MonoBehaviour:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 798394518}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: 1a45465fc8803364d968dc6bec70fca8, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: Assembly-CSharp::ButtonToScene
+  sceneName: MainMenu
 --- !u!1 &842325108
 GameObject:
   m_ObjectHideFlags: 0