nixos/rl-2111: add new service: rasdaemon

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

@@ -381,6 +381,13 @@
           <link xlink:href="options.html#opt-services.seafile.enable">services.seafile</link>.
         </para>
       </listitem>
+      <listitem>
+        <para>
+          <link xlink:href="https://github.com/mchehab/rasdaemon">rasdaemon</link>,
+          a hardware error logging daemon. Available as
+          <link linkend="opt-hardware.rasdaemon.enable">hardware.rasdaemon</link>.
+        </para>
+      </listitem>
     </itemizedlist>
   </section>
   <section xml:id="sec-release-21.11-incompatibilities">

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

@@ -116,6 +116,8 @@ In addition to numerous new and upgraded packages, this release has the followin
 
 - [seafile](https://www.seafile.com/en/home/), an open source file syncing & sharing software. Available as [services.seafile](options.html#opt-services.seafile.enable).
 
+- [rasdaemon](https://github.com/mchehab/rasdaemon), a hardware error logging daemon. Available as [hardware.rasdaemon](#opt-hardware.rasdaemon.enable).
+
 ## Backward Incompatibilities {#sec-release-21.11-incompatibilities}
 
 - The `services.wakeonlan` option was removed, and replaced with `networking.interfaces.<name>.wakeOnLan`.