add roles input on resource and make spacing more consistent

server/schemas/subdomainSchema.ts

@@ -0,0 +1,9 @@
+import { z } from "zod";
+
+export const subdomainSchema = z
+    .string()
+    .regex(
+        /^(?!:\/\/)([a-zA-Z0-9-_]+\.)*[a-zA-Z0-9-_]+$/,
+        "Invalid subdomain format"
+    )
+    .min(1, "Subdomain must be at least 1 character long");