Added link to TC form

src/index.html

@@ -270,8 +270,8 @@
                                 Tuesday 7 September <i>(time TBA)</i><br>
                                 Thursday 9 September <i>(time TBA)</i>
                             </p>
-                            <a href="" role="button" class="btn btn-sm btn-disabled btn-tryout shadow" aria-pressed="true">
+                            <a href="https://docs.google.com/forms/d/e/1FAIpQLSfma3iFnen1DfWPDfHv3CaOEm-Nl-RAAXAGaUQ6HMQkYmoYGg/viewform?usp=sf_link" role="button" class="btn btn-sm btn-tryout shadow" aria-pressed="true">
-                                <strong><i class="fas fa-pencil-alt"></i> Come back soon to register</strong>
+                                <strong><i class="fas fa-pencil-alt"></i> Join the try-outs!</strong>
                             </a>
                         </div>
                         <div class="animated fadeInDown fast alert alert-member shadow">