feat: add ntfy integration (#2900)

Co-authored-by: Meier Lukas <meierschlumpf@gmail.com>

packages/widgets/src/notifications/index.ts

@@ -0,0 +1,14 @@
+import { IconMessage } from "@tabler/icons-react";
+
+import { getIntegrationKindsByCategory } from "@homarr/definitions";
+
+import { createWidgetDefinition } from "../definition";
+import { optionsBuilder } from "../options";
+
+export const { componentLoader, definition } = createWidgetDefinition("notifications", {
+  icon: IconMessage,
+  createOptions() {
+    return optionsBuilder.from(() => ({}));
+  },
+  supportedIntegrations: getIntegrationKindsByCategory("notifications"),
+}).withDynamicImport(() => import("./component"));