nixos/doc/manual/release-notes/rl-2111: move highlights introduction

nixos/doc/manual/from_md/release-notes/rl-2111.section.xml

@@ -1,9 +1,5 @@
 <section xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" xml:id="sec-release-21.11">
   <title>Release 21.11 (“Porcupine”, 2021/11/30)</title>
-  <para>
-    In addition to numerous new and upgraded packages, this release has
-    the following highlights:
-  </para>
   <itemizedlist spacing="compact">
     <listitem>
       <para>
@@ -14,6 +10,10 @@
   </itemizedlist>
   <section xml:id="sec-release-21.11-highlights">
     <title>Highlights</title>
+    <para>
+      In addition to numerous new and upgraded packages, this release
+      has the following highlights:
+    </para>
     <itemizedlist>
       <listitem>
         <para>

nixos/doc/manual/release-notes/rl-2111.section.md

@@ -1,11 +1,11 @@
 # Release 21.11 (“Porcupine”, 2021/11/30) {#sec-release-21.11}
 
-In addition to numerous new and upgraded packages, this release has the following highlights:
-
 - Support is planned until the end of June 2022, handing over to 22.05.
 
 ## Highlights {#sec-release-21.11-highlights}
 
+In addition to numerous new and upgraded packages, this release has the following highlights:
+
 - Nix has been updated to version 2.4, reference its [release notes](https://discourse.nixos.org/t/nix-2-4-released/15822) for more information on what has changed. The previous version of Nix, 2.3.16, remains available for the time being in the `nix_2_3` package.
 
 - `iptables` now uses `nf_tables` backend.