erp5_api_style: Add Page to display all API Actions

erp5_api_style: fix http method on json page and add cancel url

erp5_api_style: Fix reenable button after form submit with invalid data

erp5_api_style: Fix Get and provide default get Schema

erp5_api_style: JSON Form gadget now render response

erp5_api_style: Fix error display in JSON Form Gadget

erp5_api_style: improve api hyperschema