add registration form

app/controllers/web/devise/registrations_controller.rb

@@ -7,6 +7,12 @@ class Web::Devise::RegistrationsController < Devise::RegistrationsController
   include GonInit
   include LocaleConcern
 
+  protected
+
+  def build_resource(hash = {})
+    self.resource = Web::UserRegistrationForm.new_with_session(hash, session)
+  end
+
   private
 
   def check_captcha

app/forms/web/user_registration_form.rb

@@ -0,0 +1,14 @@
+# frozen_string_literal: true
+
+class Web::UserRegistrationForm < User
+  include ActiveFormModel
+
+  validates :first_name, :last_name, :email, :password, :password_confirmation, presence: true
+  validates :email, 'valid_email_2/email': true
+
+  fields :first_name,
+         :last_name,
+         :email,
+         :password,
+         :password_confirmation
+end

app/views/devise/registrations/new.html.slim

@@ -4,11 +4,11 @@ h2
   = f.error_notification message: t('devise.correct_errors')
   .form-inputs
     .mb-3
-      = f.input :last_name, required: true, autofocus: true
+      = f.input :last_name, autofocus: true
     .mb-3
-      = f.input :first_name, required: true
+      = f.input :first_name
     .mb-3
-      = f.input :email, required: true, input_html: { autocomplete: 'email' }
+      = f.input :email, input_html: { autocomplete: 'email' }
     .mb-3
       = f.input :password, required: true,
         hint: (t('devise.shared.minimum_password_length', count: @minimum_password_length) if @minimum_password_length),