add dec newsletter

Author: heidibaum

news/index.html

@@ -24,6 +24,7 @@ <h4>>><a href="https://cdn.forms-content-1.sg-form.com/1855377c-b813-11ef-afcf-c
 
 <h4>View previous issues:</h4>
 
+<a href="{{site.baseurl}}/newsletters/2025-12/" target="_blank">2025 December</a> <i>(sent 2025-12-19)</i><br>
 <a href="{{site.baseurl}}/newsletters/2025-11/" target="_blank">2025 November</a> <i>(sent 2025-11-26)</i><br>
 <a href="{{site.baseurl}}/newsletters/2025-10/" target="_blank">2025 October</a> <i>(sent 2025-10-28)</i><br>
 <a href="{{site.baseurl}}/newsletters/2025-09/" target="_blank">2025 September</a> <i>(sent 2025-09-30)</i><br>
@@ -35,5 +36,4 @@ <h4>View previous issues:</h4>
 <a href="{{site.baseurl}}/newsletters/2025-03/" target="_blank">2025 March</a> <i>(sent 2025-03-26)</i><br>
 <a href="{{site.baseurl}}/newsletters/2025-02/" target="_blank">2025 February</a> <i>(sent 2025-02-26)</i><br>
 <a href="{{site.baseurl}}/newsletters/2025-01/" target="_blank">2025 January</a> <i>(sent 2025-01-31)</i><br>
-<a href="{{site.baseurl}}/newsletters/2024-12/" target="_blank">2024 December</a> <i>(sent 2024-12-19)</i><br>
 <hr>