docs(Select2Search): Mention proc usage for ajax_filter
docs(Select2Search): Mention proc usage for ajax_filter

platanus/activeadmin_addons,mabdelfattah/activeadmin_addons,mabdelfattah/activeadmin_addons,platanus/activeadmin_addons,platanus/activeadmin_addons,mabdelfattah/activeadmin_addons,platanus/activeadmin_addons,mabdelfattah/activeadmin_addons