Kiln match introspection for local-index-extract

<map:match id="local-index-extract" pattern="index/*/*.xml">
<map:generate src="../content/xml/indices/{1}.xml" />
<map:transform src="../stylesheets/tei/extract-index.xsl">
<map:parameter name="index-name" value="{2}" />
</map:transform>
<map:serialize type="xml" />
</map:match>