Build a contact form using ActiveModel, I18n and custom validations

Getting in touch through a website contact form is commonplace for a lot of web applications. Typically, a user may want to send comments or feedback through a form to allow them to receive a more detailed response. Therefore, we will be building a contact form today that accepts forename, surname, phone number, email address and a message. Our contact form is going to be for a website asking for feedback or messages.