Add placeholder new_organisation_address page

app/controllers/merge_requests_controller.rb

@@ -7,6 +7,7 @@ class MergeRequestsController < ApplicationController
     absorbing_organisation
     confirm_telephone_number
     new_organisation_name
+    new_organisation_address
     merge_date
   ]
   before_action :authenticate_user!
@@ -15,6 +16,7 @@ class MergeRequestsController < ApplicationController
   def absorbing_organisation; end
   def confirm_telephone_number; end
   def new_organisation_name; end
+  def new_organisation_address; end
   def merge_date; end
 
   def create

app/views/merge_requests/new_organisation_address.html.erb

@@ -0,0 +1,5 @@
+<% content_for :before_content do %>
+  <% title = "New organisation address" %>
+  <% content_for :title, title %>
+  <%= govuk_back_link href: new_organisation_name_merge_request_path(id: @merge_request) %>
+<% end %>