Fix TOML syntax error and RSS feed links

- Remove extra quote in topic array in 2013-03-05 event file that was breaking taxonomy
- Update RSS feed links in base.html to point to /atom.xml (correct Zola path)
- Fix both header meta link and footer navigation link for RSS feed

Author: Anne-Julia Seitz

content/events/2013-03-05-zf2-symfony-rdfa-templates/index.md

@@ -5,7 +5,7 @@ date = "2013-03-05"
 
 [taxonomies]
 speaker = ["Michael Scholl", "Timon Schroeter", "Nikolas Martens"]
-topic = ["Zend Framework 2", "Application Development", "Symfony 2", "Forms", "Validators", "RDFa", "Template Animation", "Semantic Web"]
+topic = ["Zend Framework 2", "Application Development", "Symfony", "Forms", "Validators", "RDFa", "Template Animation", "Semantic Web"]
 
 [extra]
 location = "co.up Coworking Space, Adalbertstr. 7-8, 10999 Berlin"

docs/screenshots/Screenshot_2025-08-14_17-17-09.jpg

@@ -29,7 +29,7 @@
     <link rel="stylesheet" href="{{ get_url(path='styles.css') }}">
 
     <!-- RSS Feed -->
-    <link rel="alternate" type="application/rss+xml" title="{{ config.title }}" href="{{ get_url(path='feed.xml') }}">
+    <link rel="alternate" type="application/atom+xml" title="{{ config.title }}" href="{{ get_url(path='atom.xml') }}">
 
     <!-- Favicon and Icons -->
     <link rel="icon" type="image/x-icon" href="{{ get_url(path='favicon.ico') }}">
@@ -105,7 +105,7 @@ <h6 class="title is-6">Navigation</h6>
                             <a href="{{ get_url(path='/') }}">Home</a> •
                             <a href="{{ get_url(path='/events/') }}">Previous Events</a> •
                             <a href="{{ get_url(path='/pages/contact/') }}">Contact</a> •
-                            <a href="{{ get_url(path='feed.xml') }}">RSS</a>
+                            <a href="{{ get_url(path='atom.xml') }}">RSS</a>
                         </p>
                     </div>
                     <div class="column">