Add first ideas for Rosetta Code community page; will need discussion…

… and expansion before being linked into rest of site.

source/community/rosetta_code.html

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+[% setvar title Perl 6 on Rosetta Code %]
+
+[% menu nav community %]
+
+<div id="subpage-header">
+    [% include camelia %]
+
+    <h2>[% readvar title %]</h2>
+    <p>
+        <a href="http://rosettacode.org/wiki/Rosetta_Code">Rosetta Code</a>
+        is a community site that presents solutions to programming tasks in
+        many different languages.  It is an excellent place to see how various
+        languages approach the same task, as well as to get a feel for the
+        style and fluent use of each language across a variety of domains.
+    </p>
+
+    <p>
+        Perl&nbsp;6 is well represented on Rosetta Code (though we always
+        welcome new submissions!); there are several hundred Perl&nbsp;6
+        solutions as of early 2012.  Here are a few ways to find what you're
+        looking for:
+    </p>
+</div>
+
+<div id="col1">
+    <h3>By Task Name</h3>
+
+    <p>
+        Rosetta Code itself keeps an up-to-date alphabetical list of tasks
+        already solved in Perl&nbsp;6; you can find this in the lower section
+        of the Rosetta Code
+        <a href="http://rosettacode.org/wiki/Perl_6">Perl&nbsp;6 category page</a>.
+    </p>
+
+    <h3>By Category</h3>
+
+    <p>
+        Rosetta Code's category collection is weighted towards language names,
+        tasks whose solutions where too long and had to be split onto multiple
+        pages, and so on.  To make it easier to find the tasks you're interested
+        in, here is a shorter category list, with links directly to the Perl&nbsp;6
+        solutions:
+    </p>
+
+    <dl id="by_category">
+        <dt>Cellular Automata</dt>
+        <dd>
+            <ul id="cellular_automata">
+                <li><a href="http://rosettacode.org/wiki/Conway%27s_Game_of_Life#Perl_6">Conway's Game of Life</a></li>
+                <li><a href="http://rosettacode.org/wiki/Forest_fire#Perl_6">Forest Fire</a></li>
+                <li><a href="http://rosettacode.org/wiki/Langton%27s_ant#Perl_6">Langton's Ant</a></li>
+                <li><a href="http://rosettacode.org/wiki/One-dimensional_cellular_automata#Perl_6">One-Dimensional Cellular Automata</a></li>
+                <li><a href="http://rosettacode.org/wiki/Wireworld#Perl_6">Wireworld</a>
+            </ul>
+        </dd>
+    </dl>
+</div>
+
+<div id="col2">
+    <h3>Community Favorites</h3>
+
+    <p>
+        These tasks and solutions were nominated by members of the
+        Perl&nbsp;6 community as our favorites -- perhaps because the task
+        fits our collective whimsy, or because the solution struck us as
+        particularly beautiful.  Here then, in no particular order, are the
+        entries that -Ofun for us:
+    </p>
+
+    <dl id="favorites">
+        <dt><a href="http://rosettacode.org/wiki/Forest_fire#Perl_6">Forest Fire</a></dt>
+        <dd>
+            A 2D cellular automaton simulating fires and forest growth, with 木
+            trees and a touch of color for the fires.
+        </dd>
+    </dl>
+</div>