Add link to post in footer

Author: antoinem

lib/rorvswild_theme_rdoc/site/index.html.erb

@@ -135,8 +135,9 @@
     <footer>
       <div class="container">
         <p>Generated with <a href="https://github.com/ruby/rdoc">RDoc</a> and the <a href="https://github.com/BaseSecrete/rorvswild-theme-rdoc">RoRvsWild theme</a>.<br>
-          The gems are selected manually. Their documentation is written by their respective authors.</p>
-        <p>© 2025 Made in Switzerland by <a href="https://basesecrete.com" target="_blank">Base Secrète</a></p>
+          The gems are selected manually. Their documentation is written by their respective authors.<br>
+          <a href="https://www.rorvswild.com/blog/2025/read-the-nice-manual">Read the intro post</a>.</p>
+        <p>Made in 🇨🇭Switzerland by <a href="https://basesecrete.com" target="_blank">Base Secrète</a></p>
       </div>
     </footer>
   </body>