message: Adds about link
diff: footer.LoggedOutFooter
  + a( href='/about' )
  + | About
  +
  a( href='/about#labs' )
  | Work With Us
  +
  a( href='https://dev.are.na/documentation/channels' )
  | API
  +
  a( href='/terms' )
  | Terms
  +
  a( href='/privacy' )
  | Privacy
  