Add legal, privacy, contact and roadmap pages

website/_site/contact/index.html

@@ -17,7 +17,7 @@
   <meta name="twitter:title" content="Contact | KST4Contest">
   <meta name="twitter:description" content="Contact options for KST4Contest.">
 
-  <link rel="stylesheet" href="/assets/css/main.css?v=1783381286977">
+  <link rel="stylesheet" href="/assets/css/main.css?v=1783381592602">
   <link rel="alternate" type="application/rss+xml" title="KST4Contest News" href="/feed.xml">
 
 <meta property="og:image" content="https://kst4contest.hamradioonline.de/assets/social/kst4contest-og.png">
@@ -86,7 +86,7 @@
     <article class="card">
       <h3>Email</h3>
       <p>For legal or website-related contact.</p>
-      <a href="mailto:TODO@example.com">TODO@example.com</a>
+      <a href="https://groups.google.com/g/kst4contest">Join the mailing list →</a>
     </article>
   </div>
 </section>