feat: initial commit for pixel-snapping components and helpers

Modules/Launcher/AppList.qml

@@ -2,6 +2,7 @@ pragma ComponentBehavior: Bound
 
 import QtQuick
 import Quickshell
+import ZShell
 import ZShell.Config
 import qs.Components
 import qs.Services
@@ -52,7 +53,7 @@ CustomListView {
 
 	highlightFollowsCurrentItem: false
 	highlightRangeMode: ListView.ApplyRange
-	implicitHeight: (Config.launcher.sizes.itemHeight + spacing) * Math.min(Config.launcher.maxAppsShown, count) - spacing
+	implicitHeight: (Tokens.sizes.launcher.itemHeight + spacing) * Math.min(Config.launcher.maxAppsShown, count) - spacing
 	orientation: Qt.Vertical
 	preferredHighlightBegin: 0
 	preferredHighlightEnd: height
@@ -97,6 +98,7 @@ CustomListView {
 		}
 	}
 	highlight: CustomRect {
+		id: hl
 		color: Colors.palette.m3onSurface
 		implicitHeight: root.currentItem?.implicitHeight ?? 0
 		implicitWidth: root.width