✨ chore: restructure the project, make it not use the astal application stuff

now it's more organized and I have more control over the shell behaviour

src/widget/bar/Apps.tsx

@@ -0,0 +1,12 @@
+import { Gtk } from "ags/gtk4";
+import { Windows } from "../../windows";
+import { createBinding } from "ags";
+import { tr } from "../../i18n/intl";
+
+export const Apps = () => 
+    <Gtk.Button class={createBinding(Windows.getDefault(), "openWindows").as((openWindows) => 
+          `apps ${Object.hasOwn(openWindows, "apps-window") ? "open" : ""}`
+      )} iconName={"applications-other-symbolic"} halign={Gtk.Align.CENTER}
+      hexpand tooltipText={tr("apps")} onClicked={() => 
+          Windows.getDefault().open("apps-window")}
+    />;