Merge pull request #6 from Kreyren/patch-6

examples/hello: Add new example

examples/hello.scm

@@ -0,0 +1,13 @@
+#!/usr/bin/env sh
+exec guile -s "$0" "$@"
+!#
+
+;;; Rule that outputs "Hello from potato-make!" when called as `./hello.scm hello`
+
+(use-modules (potato make))
+(initialize)
+
+(: "hello" '()
+  (~ (display "Hello from potato-make!\n")))
+
+(execute)