feat: add ntfy integration (#2900)

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

apps/nextjs/src/app/[locale]/manage/integrations/_components/secrets/integration-secret-icons.ts

@@ -1,4 +1,4 @@
-import { IconGrid3x3, IconKey, IconPassword, IconServer, IconUser } from "@tabler/icons-react";
+import { IconGrid3x3, IconKey, IconMessage, IconPassword, IconServer, IconUser } from "@tabler/icons-react";
 
 import type { IntegrationSecretKind } from "@homarr/definitions";
 import type { TablerIcon } from "@homarr/ui";
@@ -9,4 +9,5 @@ export const integrationSecretIcons = {
   password: IconPassword,
   realm: IconServer,
   tokenId: IconGrid3x3,
+  topic: IconMessage,
 } satisfies Record<IntegrationSecretKind, TablerIcon>;