Add Decanter 2.3.0 Prometheus appender blog post
diff --git a/src/main/webapp/documentation.html b/src/main/webapp/documentation.html
index 7061020..c9dbe89 100644
--- a/src/main/webapp/documentation.html
+++ b/src/main/webapp/documentation.html
@@ -396,6 +396,9 @@
<div class="col">
<h2 class="pb-3 mb-4 font-italic border-bottom"><i class="fas fa-glasses"></i> Articles</h2>
<div>
+ <a href="http://blog.nanthrax.net/?p=1002">Apache Karaf Decanter 2.3.0, new Prometheus appender</a>
+ </div><!-- /.blog-post -->
+ <div>
<a href="http://blog.nanthrax.net/?p=991">Apache Karaf Decanter 2.3.0, the new alerting service</a>
</div><!-- /.blog-post -->
<div>