feat: initial commit for pixel-snapping components and helpers

Modules/Settings/Pages/Audio/AppVolumes.qml

@@ -2,6 +2,7 @@ pragma ComponentBehavior: Bound
 
 import QtQuick
 import QtQuick.Layouts
+import ZShell.Components
 import Quickshell
 import Quickshell.Services.Pipewire
 import qs.Modules.Settings.Common
@@ -17,7 +18,8 @@ PageBase {
 	isSubPage: true
 	title: qsTr("App volumes")
 
-	ColumnLayout {
+	SnapLayout {
+orientation: Qt.Vertical
 		anchors.horizontalCenter: parent.horizontalCenter
 		anchors.top: parent.top
 		spacing: Tokens.spacing.extraSmall / 2