Add documentation to PrintSetupHeaderButton

CURA-8684

resources/qml/Menus/ConfigurationMenu/CustomConfiguration.qml

@@ -7,6 +7,9 @@ import QtQuick.Controls 2.0
 import Cura 1.0 as Cura
 import UM 1.5 as UM
 
+// Simple button for displaying text and changes appearance for various states: enabled, valueError, valueWarning
+// - and hovered. Mainly used in CustomConfiguration.qml
+
 Item
 {
     UM.I18nCatalog
@@ -283,10 +286,7 @@ Item
                         extruderIndex: Cura.ExtruderManager.activeExtruderIndex
                         updateModels: materialSelection.visible
                     }
-                    onClicked:
-                    {
-                        materialsMenu.popup();
-                    }
+                    onClicked: materialsMenu.popup()
                 }
                 Item
                 {
@@ -338,10 +338,7 @@ Item
                         id: nozzlesMenu
                         extruderIndex: Cura.ExtruderManager.activeExtruderIndex
                     }
-                    onClicked:
-                    {
-                        nozzlesMenu.popup();
-                    }
+                    onClicked: nozzlesMenu.popup()
                 }
             }
 

resources/qml/PrintSetupHeaderButton.qml

@@ -1,6 +1,8 @@
 // Copyright (c) 2022 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
+// Button component to be used within the
+
 import QtQuick 2.1
 import QtQuick.Controls 2.1