Add masak++'s suggestion of Last Fridays of Year to 'Community Favori…

…tes' list

source/community/rosettacode.html

@@ -73,5 +73,12 @@ <h3>Community Favorites</h3>
             A 2D cellular automaton simulating fires and forest growth, with 木
             trees and a touch of color for the fires.
         </dd>
+        <dt><a href="http://rosettacode.org/wiki/Last_Fridays_of_year#Perl_6">Last Fridays of Year</a></dt>
+        <dd>
+            A simple task of finding the last Friday in each month of the year,
+            with two brief solutions: an imperative one in the style of several
+            other dynamic languages, and an impressively short functional
+            solution using <tt>classify</tt> and Whatever blocks.
+        </dd>
     </dl>
 </div>