template/page: Add Links for Twitter and Mastodon

Signed-off-by: Chris Fiege <chris@tinyhost.de>

theme/templates/page.html

@@ -56,7 +56,9 @@
             <h2>Contact</h2>
             Email: <a href="mailto:kontakt@hackenopenair.de">
                 kontakt@hackenopenair.de</a><br>
-            IRC: #hackenopenair @ irc.freenode.net<br>
+	    IRC: #hackenopenair @ irc.freenode.net<br>
+	    Mastodon: <a href="https://chaos.social/@HackenOpenAir">chaos.social/@HackenOpenAir</a><br>
+	    Twitter: <a href="https://twitter.com/HackenOpenAir">@HackenOpenAir</a><br>
             <a href="/impressum.html">Imprint and Data Protection Declaration</a>
         </div>
         <footer>
@@ -67,7 +69,9 @@
             <h2>Kontakt</h2>
             Email: <a href="mailto:kontakt@hackenopenair.de">
                 kontakt@hackenopenair.de</a><br>
-            IRC: #hackenopenair @ irc.freenode.net<br>
+	    IRC: #hackenopenair @ irc.freenode.net<br>
+	    Mastodon: <a href="https://chaos.social/@HackenOpenAir">chaos.social/@HackenOpenAir</a><br>
+	    Twitter: <a href="https://twitter.com/HackenOpenAir">@HackenOpenAir</a><br>
             <a href="/impressum.html">Impressum und Datenschutzerklärung</a>
         </div>
         <footer>