B2B-88: add starter kit structure and elements

packages/features/auth/src/schemas/password-sign-up.schema.ts

@@ -0,0 +1,11 @@
+import { z } from 'zod';
+
+import { RefinedPasswordSchema, refineRepeatPassword } from './password.schema';
+
+export const PasswordSignUpSchema = z
+  .object({
+    email: z.string().email(),
+    password: RefinedPasswordSchema,
+    repeatPassword: RefinedPasswordSchema,
+  })
+  .superRefine(refineRepeatPassword);