Formik Overview Formik manages form state in React — values, errors, touched fields, submission. Integrates with Yup/Zod for schema validation. Handles complex forms (multi-step, dynamic fields, arrays) without Redux or complex state management. Instructions Step 1: Basic Form Step 2: Dynamic Field Arrays Guidelines - For new projects, consider react-hook-form (less re-renders). Formik is still solid for existing projects. - Use schema validation (Yup/Zod) instead of manual validate functions. - in onSubmit handles server-side validation errors (duplicate email, etc.). - only shows after fiel…