feat: add control center widget

widgets/control-center/footer.tsx

@@ -0,0 +1,11 @@
+import { Gtk } from "ags/gtk4";
+
+export const Footer = () => {
+  const { END } = Gtk.Align;
+
+  return (
+    <box valign={END} cssClasses={["footer"]}>
+      <label hexpand label="NOBODY FUX WITH TUX" />
+    </box>
+  );
+};