Added ags

TODO copy ags config

roles/ags/files/widget/settings/Wallpaper.ts

@@ -0,0 +1,31 @@
+import wallpaper from "service/wallpaper"
+
+export default () => Widget.Box(
+    { class_name: "row wallpaper" },
+    Widget.Box(
+        { vertical: true },
+        Widget.Label({
+            xalign: 0,
+            class_name: "row-title",
+            label: "Wallpaper",
+            vpack: "start",
+        }),
+        Widget.Button({
+            on_clicked: wallpaper.random,
+            label: "Random",
+        }),
+        Widget.FileChooserButton({
+            on_file_set: ({ uri }) => wallpaper.set(uri!.replace("file://", "")),
+        }),
+    ),
+    Widget.Box({ hexpand: true }),
+    Widget.Box({
+        class_name: "preview",
+        css: wallpaper.bind("wallpaper").as(wp => `
+            min-height: 120px;
+            min-width: 200px;
+            background-image: url('${wp}');
+            background-size: cover;
+        `),
+    }),
+)