First commit of partial RosettaCode contents.

Pushing this for testing purposes. Lots of work still needed.

Task/Comments/Clojure/comments-2.clj

@@ -0,0 +1 @@
+(comment (println (foo)) "bar" :baz 123 (System/exit 0))  ;; does nothing, returns nil

Task/Comments/Clojure/comments-3.clj

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+(+ 1 (comment "foo") 3)  ;; Throws an exception, because it tries to add nil to an integer
+(+ 1 #_"foo" 3)          ;; Returns 4

Task/Comments/Clojure/comments.clj

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+;; This is a comment
+(defn foo []
+  123) ; also a comment