SDK-4214: Add WikiText section to page

Task-Url: https://tasktop.atlassian.net/browse/SDK-4214

Author: benny-leung-pv

index.html

@@ -363,6 +363,10 @@ <h5 class="page_h5">Mylyn - TaskAttributeDiff</h5>
 
     <a id="custom_a" href="https://github.com/Tasktop/code.modifications/raw/aed7ab7108e18059fd5d5bec8beb08cb22f1b37e/src/epl/SyncTaskAttributeDiff.java">Source</a><br/>
     <a id="custom_a" href="https://github.com/Tasktop/code.modifications/raw/0ea665a3ee32a6557037fd4943b5b936c97d10f7/src/about/epl-v10.txt">Eclipse Public License 1.0</a>
+
+    <h5 class="page_h5">Mylyn - WikiText</h5>
+
+    <a id="custom_a" href="https://github.com/Tasktop/code.modifications/tree/master/src/wikitext">Source and License</a><br/>
   </section>
 </div>