Add link to and format fix 2012/kang/README.md

Link was also added to winners.{html,csv}.

Found via his email address - I checked to see if the domain was valid
(or at least attempted to) and saw it's their website.

winners.html

@@ -685,7 +685,8 @@ Contest </I></FONT></CENTER><BR>
 <!--  K  K  K  K  K  K  K  K  K  K  K  K  K  K  K  K  K  K  K  K  K  K  K - -->
 
 <UL>
-<LI TYPE=none><A NAME="Seonghoon_Kang"></A><B><a href="ma&#105;&#x6C;&#116;o:&#107;&#x61;&#x6E;&#x67;&#46;&#115;&#x65;&#111;n&#x67;&#104;&#111;&#x6F;&#110;&#x40;&#x6D;&#101;&#x61;&#x72;&#x69;&#101;.&#111;&#x72;&#103;">Seonghoon Kang</a></B>
+<LI TYPE=none><A NAME="Seonghoon_Kang"></A><B><a
+	    href="ma&#105;&#x6C;&#116;o:&#107;&#x61;&#x6E;&#x67;&#46;&#115;&#x65;&#111;n&#x67;&#104;&#111;&#x6F;&#110;&#x40;&#x6D;&#101;&#x61;&#x72;&#x69;&#101;.&#111;&#x72;&#103;">Seonghoon Kang</a></B> -- <A HREF="http://mearie.org">http://mearie.org</a>
 <UL>
 <LI TYPE=square>Best short program (<A HREF="years.html#2012_kang">2012 kang</A>)
 </UL><BR>