Section class developed in Creating a folderish content type is working as expected, nevertheless it's not yet usable from a web browser. Like most content types in Plone, we need it to have add and edit forms and a view page. Fortunately, Zope 3 is on our side, so we will squeeze it.
By convention, components are separated into modules or packages according to their intended target. Thus, all browser-related components will reside in a
pox/banner folder, create the package by running:
mkdir src/pox.banner/pox/banner/browser touch src/pox.banner/pox/banner/browser/__init__.py
In Linux, we usually run
touch <name_of_file> to create an empty ...