Referral: Add invite code

src/services/ReferralSystem/schemas/inviteCodeLinkSchema.ts

@@ -0,0 +1,24 @@
+import { z } from 'zod';
+
+const inviteCodeLinkSchema = z.object({
+  link: z
+    .object({
+      referer: z.string(),
+      ref_link: z.string(),
+      option: z.number(),
+    })
+    .nullable(),
+  invite: z
+    .object({
+      code: z.string(),
+      data: z.null(),
+      limits: z.object({
+        tag: z.string(),
+        max_invites: z.number(),
+        max_ref_depth: z.number(),
+      }),
+    })
+    .nullable(),
+});
+
+export default inviteCodeLinkSchema;