Add "The Rosebush" to dropdown list of review sites on the editgame page

[alice-blue]

Add https://the-rosebush.com/ to the dropdown list of review sites on the editgame page.

It's this section:

                  <?php
                      $reviewSites = array(
                          "Brass Lantern" => "www.brasslantern.org",
                          "IF-Review"
                              => "http://www.ministryofpeace.com/if-review/",
                          "Interactive Fiction Reviews Organization"
                              => "http://www.ifreviews.org/",
                          "SPAC" => "http://www.caad.es/spac/",
                          "SPAG" => "https://www.spagmag.org/",
                          "Xyzzy News" => "https://ifarchive.org/indexes/if-archive/magazines/XYZZYnews/");