Add user POST + validation

concord-server/src/validators/userValidator.ts

@@ -0,0 +1,13 @@
+import { z } from 'zod'
+
+export const createUserSchema = z.object({
+  username: z.string().min(3).max(30),
+  nickname: z.string().min(1).max(30).optional(),
+  bio: z.string().max(500).optional(),
+  picture: z.url().optional(),
+  banner: z.url().optional(),
+  status: z.enum(['online', 'offline', 'dnd', 'idle', 'invis']).default('online'),
+  admin: z.boolean().default(false),
+})
+
+export type CreateUserInput = z.infer<typeof createUserSchema>