nixos docs: run the formatting tool (no content change)

As documented in the docs themselves :-)

nixos/modules/services/web-apps/matomo-doc.xml

@@ -12,15 +12,15 @@
   An automatic setup is not suported by Matomo, so you need to configure Matomo
   itself in the browser-based Matomo setup.
  </para>
-
  <section xml:id="module-services-matomo-database-setup">
   <title>Database Setup</title>
+
   <para>
    You also need to configure a MariaDB or MySQL database and -user for Matomo
    yourself, and enter those credentials in your browser. You can use
    passwordless database authentication via the UNIX_SOCKET authentication
    plugin with the following SQL commands:
-   <programlisting>
+<programlisting>
         # For MariaDB
         INSTALL PLUGIN unix_socket SONAME 'auth_socket';
         CREATE DATABASE matomo;
@@ -46,30 +46,32 @@
    database is not on the same host.
   </para>
  </section>
-
  <section xml:id="module-services-matomo-archive-processing">
   <title>Archive Processing</title>
+
   <para>
-   This module comes with the systemd service <literal>matomo-archive-processing.service</literal>
-   and a timer that automatically triggers archive processing every hour.
-   This means that you can safely
+   This module comes with the systemd service
+   <literal>matomo-archive-processing.service</literal> and a timer that
+   automatically triggers archive processing every hour. This means that you
+   can safely
    <link xlink:href="https://matomo.org/docs/setup-auto-archiving/#disable-browser-triggers-for-matomo-archiving-and-limit-matomo-reports-to-updating-every-hour">
-    disable browser triggers for Matomo archiving
-   </link> at <literal>Administration > System > General Settings</literal>.
+   disable browser triggers for Matomo archiving </link> at
+   <literal>Administration > System > General Settings</literal>.
   </para>
+
   <para>
    With automatic archive processing, you can now also enable to
    <link xlink:href="https://matomo.org/docs/privacy/#step-2-delete-old-visitors-logs">
-    delete old visitor logs
-   </link> at <literal>Administration > System > Privacy</literal>,
-   but make sure that you run <literal>systemctl start matomo-archive-processing.service</literal>
-   at least once without errors if you have already collected data before,
-   so that the reports get archived before the source data gets deleted.
+   delete old visitor logs </link> at <literal>Administration > System >
+   Privacy</literal>, but make sure that you run <literal>systemctl start
+   matomo-archive-processing.service</literal> at least once without errors if
+   you have already collected data before, so that the reports get archived
+   before the source data gets deleted.
   </para>
  </section>
-
  <section xml:id="module-services-matomo-backups">
   <title>Backup</title>
+
   <para>
    You only need to take backups of your MySQL database and the
    <filename>/var/lib/matomo/config/config.ini.php</filename> file. Use a user
@@ -78,9 +80,9 @@
    <link xlink:href="https://matomo.org/faq/how-to-install/faq_138/" />.
   </para>
  </section>
-
  <section xml:id="module-services-matomo-issues">
   <title>Issues</title>
+
   <itemizedlist>
    <listitem>
     <para>
@@ -97,7 +99,6 @@
    </listitem>
   </itemizedlist>
  </section>
-
  <section xml:id="module-services-matomo-other-web-servers">
   <title>Using other Web Servers than nginx</title>