Add timetagger to release notes

Why the f*** would anyone ever add generated stuff to a git repository,
where the sources for the generated stuff AND the scripts to generate
them are in the repository?

Signed-off-by: Matthias Beyer <mail@beyermatthias.de>

nixos/doc/manual/from_md/release-notes/rl-2205.section.xml

@@ -150,6 +150,14 @@
           <link linkend="opt-services.prosody-filer.enable">services.prosody-filer</link>.
         </para>
       </listitem>
+      <listitem>
+        <para>
+          <link xlink:href="https://timetagger.app">timetagger</link>,
+          an open source time-tracker with an intuitive user experience
+          and powerful reporting.
+          <link xlink:href="options.html#opt-services.timetagger.enable">services.timetagger</link>.
+        </para>
+      </listitem>
     </itemizedlist>
   </section>
   <section xml:id="sec-release-22.05-incompatibilities">

nixos/doc/manual/release-notes/rl-2205.section.md

@@ -46,6 +46,8 @@ In addition to numerous new and upgraded packages, this release has the followin
 
 - [prosody-filer](https://github.com/ThomasLeister/prosody-filer), a server for handling XMPP HTTP Upload requests. Available at [services.prosody-filer](#opt-services.prosody-filer.enable).
 
+- [timetagger](https://timetagger.app), an open source time-tracker with an intuitive user experience and powerful reporting. [services.timetagger](options.html#opt-services.timetagger.enable).
+
 ## Backward Incompatibilities {#sec-release-22.05-incompatibilities}
 
 - `pkgs.ghc` now refers to `pkgs.targetPackages.haskellPackages.ghc`.