initial commit

app/controllers/registrations_controller.rb

@@ -0,0 +1,23 @@
+# frozen_string_literal: true
+
+class RegistrationsController < Devise::RegistrationsController
+  private
+
+  def build_resource(_hash = {})
+    account = Account.new(account_params)
+
+    self.resource = account.users.new(user_params)
+  end
+
+  def user_params
+    return {} if params[:user].blank?
+
+    params.require(:user).permit(:first_name, :last_name, :email, :password)
+  end
+
+  def account_params
+    return {} if params[:account].blank?
+
+    params.require(:account).permit(:name)
+  end
+end