Hardening Guide metadata

xml/hardening.xml

@@ -37,6 +37,32 @@ FIXME:
     <dm:assignee>fs@suse.com</dm:assignee>
    </dm:bugtracker>
   </dm:docmanager>
+  <meta name="title" its:translate="yes">Hardening Guide</meta>
+  <meta name="series" its:translate="no">Products &amp; Solutions</meta>
+  <meta name="description" its:translate="yes">How to harden a &productname; installation</meta>
+  <meta name="social-descr" its:translate="yes">Harden a &productnameshort; installation</meta>
+  <meta name="task" its:translate="yes">
+    <phrase>Auditing</phrase>
+    <phrase>Security</phrase>
+  </meta>
+  <revhistory xml:id="rh-book-hardening">
+    <revision>
+      <date>2024-05-17</date>
+      <revdescription>
+        <para>
+          Continuous updates for &productname; &productnumber;.
+        </para>
+      </revdescription>
+    </revision>
+    <revision>
+      <date>2020-07-21</date>
+      <revdescription>
+        <para>
+          Updated for the initial release of &productname; &productnumber;.
+        </para>
+      </revdescription>
+    </revision>
+  </revhistory>
 
   <title>Hardening Guide</title>
   <productname>&productname;</productname>