Right-align the RSS icon in channel playlists

src/invidious/views/playlists.ecr

@@ -20,7 +20,7 @@
         </div>
     </div>
     <div class="pure-u-1-3" style="text-align:right">
-        <h3>
+        <h3 style="text-align:right">
             <a href="/feed/channel/<%= channel.ucid %>"><i class="icon ion-logo-rss"></i></a>
         </h3>
     </div>