Updated Language on Gameboard Button and Redirected to Gameboard Gett…

…ing Started page (#58)

* updated additional website text and fixed a few typos

* Updated Embeded video to 5th Annual President's Cup Cybersecurity Competition Finals Overview

* Updated text regarding the Finals Overview Video

* updated Competition Gameboard language and redirected to the getting started page in gameboard

index.html

@@ -320,8 +320,8 @@ <h4 class="card-title mt-3">President's Cup 6 Individuals Competition</h4>
                         </div>
                     </div>
                     <div class="row justify-content-lg-center my-4">
-                        <a class="btn btn-success4 col-6 mx-auto btn-lg" href="/gb">
-                            Competition Gameboard<br /><small><em>Register, Practice, and Compete!</em></small></a>
+                        <a class="btn btn-success4 col-6 mx-auto btn-lg" href="/gb/doc/getting_started">
+                            Sign Up Here<br /><small><em>Register and Compete!</em></small></a>
                     </div>
                 </div>
             </div>