Fixes #894 - Add a link to the event submission tool on the homepage (#929)

index.en.xhtml

@@ -50,6 +50,12 @@
           <a class="ical" href="webcal://fsfe.org/events/events.ics" title="FSFE events as iCal feed"><i class="fa fa-calendar-o"></i></a>
         </h2>
 
+        <p>
+          If you know about a FSFE related event that is not yet listed here or
+          that you run on your own, you can easily add it by using our
+          <a href="/community/tools/eventregistration.html">event announcement tool</a>.
+        </p>
+
         <all-events />
       </div>