Feat/notifications alerts (#52)

* feat: notifications backend & creation

* feat: assign notification to backup schedule

* refactor: status dot one component

* chore(notification-details): remove refetchInterval

app/server/modules/notifications/builders/custom.ts

@@ -0,0 +1,5 @@
+import type { NotificationConfig } from "~/schemas/notifications";
+
+export function buildCustomShoutrrrUrl(config: Extract<NotificationConfig, { type: "custom" }>): string {
+	return config.shoutrrrUrl;
+}