add a setup submodule

pollen.rkt

@@ -1,3 +1,8 @@
 #lang racket/base
 (require "scribblings/pollen-rkt.scrbl")
 (provide (all-from-out "scribblings/pollen-rkt.scrbl"))
+
+(module setup racket/base
+  (provide (all-defined-out)) ;; <- don't forget this line in your config submodule!
+  (require pollen/setup)
+  (define publish-directory "~/Dropbox/dropbox_xray/typographyforlawyers.com/public/"))