add enqueries checkbox

app/controllers/enquiries_controller.rb

@@ -0,0 +1,22 @@
+# frozen_string_literal: true
+
+class EnquiriesController < ApplicationController
+  skip_before_action :authenticate_user!
+  skip_authorization_check
+
+  def create
+    if params[:talk_to_sales] == 'on'
+      Faraday.post(Docuseal::ENQUIRIES_URL,
+                   enquiry_params.merge(type: :talk_to_sales).to_json,
+                   'Content-Type' => 'application/json')
+    end
+
+    head :ok
+  end
+
+  private
+
+  def enquiry_params
+    params.require(:user).permit(:email)
+  end
+end