Add the highlight status of the paper

Signed-off-by: Bruno Khélifi <khelifi@in2p3.fr>

index.html

@@ -99,7 +99,10 @@
             <table class="lead mb-4" style="width:100%">
               <tr style="vertical-align:top">
                 <td style="width:20%">Oct. 23rd, 2023:</td>
-                <td>Publication of the first Gammapy paper in <a href="https://www.aanda.org/articles/aa/abs/2023/10/aa46488-23/aa46488-23.html">A&amp;A</a> (accepted: 7th July 2023)</td>
+                <td>Publication of the first Gammapy paper in
+                    <a href="https://www.aanda.org/articles/aa/abs/2023/10/aa46488-23/aa46488-23.html">A&amp;A</a> (accepted: 7th July 2023)
+                    as highlighted paper (<a href="https://www.aanda.org/2023-highlights/2907">link<a>)
+                </td>
               </tr>
               <tr style="vertical-align:top">
                 <td style="width:20%">Jun. 13th, 2023:</td>

news.html

@@ -220,7 +220,8 @@ <h2 id="2023"><a href="#2023">2023</a></h2>
         <ul>
             <li>
                 <em>October 23, 2023</em> - The first Gammapy paper is published by A&amp;A:
-                    <a href="https://www.aanda.org/articles/aa/abs/2023/10/aa46488-23/aa46488-23.html">A&A, 678, A157 (2023)</a>
+                    <a href="https://www.aanda.org/articles/aa/abs/2023/10/aa46488-23/aa46488-23.html">A&A, 678, A157 (2023)</a>.
+                    It has been selected as highlighted paper by the publisher (<a href="https://www.aanda.org/2023-highlights/2907">link<a>).
             </li>
             <li><em>October 16-20, 2023</em> - Gammapy Coding Sprint (INAF, Palermo) (<a href="https://github.com/gammapy/gammapy-meetings/blob/master/coding-sprints/2023-10-Palermo" class="card-link">infos</a>) </li>
             <li><em>July 7, 2023</em> - The first Gammapy paper is accepted by A&amp;A