Baseline: omarchy.indicators as shipped

Indicators.qml and the six indicator files exactly as they ship in
omarchy-dev 4.0.0.r1744.gf002044, alongside the manifest `omarchy plugin
clone` generates.

Kept on its own branch so `git diff stock..master` shows precisely what
this fork changes.

indicators/NightLight.qml

@@ -0,0 +1,20 @@
+import QtQuick
+import qs.Ui
+
+BarIndicator {
+  id: root
+
+  readonly property var nightlightService: bar?.shell?.firstPartyServiceFor("omarchy.nightlight")
+
+  active: nightlightService ? nightlightService.enabled : false
+  activeText: "󰔎"
+  inactiveText: "󰔎"
+  activeTooltipText: "Day Light"
+  inactiveTooltipText: "Night Light"
+
+  function toggle() {
+    if (root.nightlightService) root.nightlightService.setNightlight(!root.active)
+  }
+
+  onPressed: function() { root.toggle() }
+}