feat(schedules): add schedules server

apps/schedules/src/schema.ts

@@ -0,0 +1,16 @@
+import { z } from "zod";
+
+export const jobQueueSchema = z.discriminatedUnion("type", [
+	z.object({
+		cronSchedule: z.string(),
+		type: z.literal("backup"),
+		backupId: z.string(),
+	}),
+	z.object({
+		cronSchedule: z.string(),
+		type: z.literal("server"),
+		serverId: z.string(),
+	}),
+]);
+
+export type QueueJob = z.infer<typeof jobQueueSchema>;