Title: Show Add Link for Sections
The term "sections" refers to newspaper-like sections, that
are simply queries that aggregate articles according to some set of criteria.
are driven by labels, or are simply lists of recent articles. In
many cases, Traction can offer users the option to add an article to a
section, and will initialize the Create New Article's "Labels"
field with any labels that are necessary for the new article to appear
in the section. This
preference allows users to indicate whether they want the "Add"
button to appear when it is possible for them to add an article to a section.