message: Add student and team message to pricing page
diff: @@ -101,6 +101,10 @@ block container
  p.Type.Type--lh-tall
  | Everyone can join Are.na for free and add unlimited public content. Becoming a Premium member allows you to work in complete privacy on personal or professional projects, and gives you early access to new products and features.
  + p.Type.Type--lh-tall
  + | For team and student plans, please contact
  + a(href="mailto:help@are.na") help@are.na
  +
  include ../components/pricing_table/index
  section.AboutSection.js-section( id='blog' )
  