Added all kinds of extra targets to the makefile; which can be an example of use

Makefile.rkt

@@ -4,6 +4,7 @@
          racket/string
          git
          package-zipper
+         net/sendurl
          )
 
 (target all
@@ -31,7 +32,7 @@
 
 (target clean
         (for-each (λ (f) (displayln f) (rm-f f)) (list-files "." #px"([.]bak|~)$" #:recursive #t))
-        (for-each (λ (d) (displayln d) (rm-rf d)) (list-dirs "." #px"(compiled|doc)$" #:recursive #t))
+        (for-each (λ (d) (displayln d) (rm-rf d)) (list-dirs "." #px"(compiled|doc|docs)$" #:recursive #t))
         (for-each (λ (f) (displayln f) (rm-f f)) (list-files "scrbl" #px"[.](css|js|html)$"))
         )
 
@@ -39,3 +40,17 @@
         (deps clean)
         (zip-package))
 
+(target "docs/racket-makefile.html"
+        (deps "scrbl/racket-makefile.scrbl")
+        (unless (directory-exists? "docs")
+          (make-directory "docs"))
+        (raco '(scribble --html +m --dest "docs" scrbl/racket-makefile.scrbl)))
+
+(target doc
+        (deps "docs/racket-makefile.html")
+        (displayln "Documentation built")
+        )
+
+(target showdoc
+        (deps doc)
+        (send-url/file "docs/racket-makefile.html"))