Update setting.md

Some more details about creating a settings page for an extension.

docs/framework/setting.md

@@ -152,7 +152,10 @@ As with core settings, all settings declared in extensions should have appropria
 1. Provide that the settings folder is declared [Multisite extension example](https://github.com/eileenmcnaughton/org.civicrm.multisite/blob/master/multisite.php#L347).
 2. Declare settings as in the same standard as CiviCRM Core [Multisite extension example](https://github.com/eileenmcnaughton/org.civicrm.multisite/blob/master/settings/Multisite.setting.php).
 3. Create Settings form, a [good example of generic metadata based settings form in an extension](https://github.com/eileenmcnaughton/nz.co.fuzion.civixero/blob/master/CRM/Civixero/Form/XeroSettings.php) - note that only the setting filter is non-generic
-4. Use `cv api system.flush` or `Admin → System Settings → Cleanup Caches` to flush CiviCRM caches and register your new settings metadata.
+4. Add [routing for your settings form](https://github.com/eileenmcnaughton/nz.co.fuzion.civixero/blob/master/xml/Menu/xerosync.xml).
+5. Add [a template for your settings form](https://github.com/eileenmcnaughton/nz.co.fuzion.civixero/blob/master/templates/CRM/Civixero/Form/XeroSettings.tpl).
+6. Add a menu item by implementing [hook_civicrm_navigationMenu](https://docs.civicrm.org/dev/en/latest/hooks/hook_civicrm_navigationMenu).
+7. Use `cv api system.flush` or `Admin → System Settings → Cleanup Caches` to flush CiviCRM caches and register your new settings metadata.
 
 ## Adding Setting Config to Admin Forms.