Improved new documentation
diff --git a/templates/doc/korap/karang.html.ep b/templates/doc/korap/karang.html.ep
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+% layout 'main', title => 'KorAP: Karang';
+
+<h2>Karang</h2>
+
+%= korap_overview 'karang'
+
+<p><strong>Main developer:</strong> Piotr Pęzik</p>
+
+<p>Karang is a Neo4j based search backend for KorAP.</p>