Update application for "Gestione Spiaggia 2026" branding and licensing changes

Updated all references from "GestioneSpiaggia.it" to "Gestione Spiaggia 2026". Revised branding, adjusted licensing structure to perpetual model, modified pricing and assistance details, and deprecated renewal options. Corrected text inconsistencies and improved documentation links.

application/layouts/scripts/public/_footer.phtml

@@ -57,13 +57,8 @@
                 <!-- List -->
                 <ul class="list-unstyled text-muted mb-6 mb-md-8 mb-lg-0">
                     <li class="mb-1">
-                        <a href="#!" class="text-reset">
-                            Licenza Primo Anno
-                        </a>
-                    </li>
-                    <li class="mb-1">
-                        <a href="#!" class="text-reset">
-                            Rinnovo
+                        <a href="<?= $this->url(['action' => 'acquista'], 'it', true); ?>" class="text-reset">
+                            Licenza
                         </a>
                     </li>
                 </ul>
@@ -124,7 +119,7 @@
                         </a>
                     </li>
                     <li class="mb-1">
-                        <a href="https://www.gestionespiaggia.it/documents/licenza-GestioneSpiaggia.it.pdf" target="_blank"
+                        <a href="https://www.gestionespiaggia.it/documents/licenza-GestioneSpiaggia2026.pdf" target="_blank"
                            class="text-reset">
                             Licenza d'uso
                         </a>