Add links to 2.0.23-beta release

Author: azat

index.html

@@ -200,6 +200,13 @@ <h4>Download&ndash;Alpha releases</h4>
    us know!
 
 <ul class="tight">
+   <li>
+     <a href="https://github.com/libevent/libevent/releases/download/release-2.0.23-beta/libevent-2.0.23-beta.tar.gz">libevent-2.0.23-beta.tar.gz</a>
+    [<a href="https://github.com/libevent/libevent/releases/download/release-2.0.23-beta/libevent-2.0.23-beta.tar.gz.asc">GPG Sig</a>]
+    <a href="https://raw.github.com/libevent/libevent/release-2.0.23-beta/ChangeLog">ChangeLog</a><br>
+    Released 2019-01-20
+   </li>
+
    <li><a href="https://github.com/libevent/libevent/archive/release-2.1.6-beta.tar.gz">libevent-2.1.6-beta.tar.gz</a> <a href="https://raw.githubusercontent.com/libevent/libevent/release-2.1.6-beta/ChangeLog">ChangeLog</a><br>Released 2016-08-27
      <ul>
        <li>Changelog to follow.