Capitalize the entire app name (Policy *P*ublisher)
Capitalize the entire app name (Policy *P*ublisher)

- This irked me the first time I saw Policy Publisher just now, so I'm
  making the capitalization consistent with our other Publishers, for
  example Specialist Publisher.

alphagov/policy-publisher,alphagov/policy-publisher,alphagov/policy-publisher,alphagov/policy-publisher