Add date and time parsing and add colors from matugen to all current elements of top bar

quickshell/ui/LineSeparator.qml

@@ -0,0 +1,9 @@
+import QtQuick
+import "../constants"
+
+// vertical line separator for top bar
+Rectangle {
+    width: 1
+    height: 16
+    color: Colors.md3.on_background
+}