Convert all remaining files to typescript.

modules/notifications/close/index.ts

@@ -0,0 +1,14 @@
+import { Notification, Notifications } from "types/service/notifications";
+
+export const CloseButton = (notif: Notification, notifs: Notifications) => {
+    return Widget.Button({
+        class_name: "close-notification-button",
+        on_primary_click: () => {
+            notifs.CloseNotification(notif.id);
+        },
+        child: Widget.Label({
+            label: "󰅜",
+            hpack: "center",
+        }),
+    });
+};