Added ags

TODO copy ags config

roles/ags/files/lib/battery.ts

@@ -0,0 +1,16 @@
+import icons from "./icons"
+
+export default async function init() {
+    const bat = await Service.import("battery")
+    bat.connect("notify::percent", ({ percent, charging }) => {
+        const low = 30
+        if (percent !== low || percent !== low / 2 || !charging)
+            return
+
+        Utils.notify({
+            summary: `${percent}% Battery Percentage`,
+            iconName: icons.battery.warning,
+            urgency: "critical",
+        })
+    })
+}