Rules

• First Name: Required.
• Last Name: Required.
• Email: Must be a valid email format (e.g., user@example.com).
• Phone Number: Must be 10 digits (e.g., 9834567890).
• Password: Must be at least 6 characters long.
• Confirm Password: Must match the password above.
• Role: Choose from Donor, Campaigner, or Admin (restricted).