Add auth demo

src/Website/app/lib/schemas.ts

@@ -0,0 +1,33 @@
+import { z } from "zod";
+
+export const loginSchema = z.object({
+  username: z.string().min(1, "Username is required"),
+  password: z.string().min(1, "Password is required"),
+});
+
+export type LoginSchema = z.infer<typeof loginSchema>;
+
+export const registerSchema = z
+  .object({
+    username: z
+      .string()
+      .min(3, "Username must be at least 3 characters")
+      .max(20, "Username must be at most 20 characters"),
+    firstName: z.string().min(1, "First name is required"),
+    lastName: z.string().min(1, "Last name is required"),
+    email: z.string().email("Invalid email address"),
+    dateOfBirth: z.string().min(1, "Date of birth is required"),
+    password: z
+      .string()
+      .min(8, "Password must be at least 8 characters")
+      .regex(/[A-Z]/, "Password must contain an uppercase letter")
+      .regex(/[a-z]/, "Password must contain a lowercase letter")
+      .regex(/[0-9]/, "Password must contain a number"),
+    confirmPassword: z.string().min(1, "Please confirm your password"),
+  })
+  .refine((data) => data.password === data.confirmPassword, {
+    message: "Passwords must match",
+    path: ["confirmPassword"],
+  });
+
+export type RegisterSchema = z.infer<typeof registerSchema>;