Aggiunge i tornei con hub, pagina pubblica e tabellone per semifinali e finali.

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/app/views/shared/_marketing_footer.html.erb

@@ -8,6 +8,7 @@
       <%= link_to t("common.support"), public_support_path %> ·
       <%= link_to t("common.pricing"), public_prezzi_path %> ·
       <%= link_to t("footer.live"), public_live_index_path %> ·
+      <%= link_to t("nav.tournaments"), public_tournament_pages_path %> ·
       <%= link_to t("common.faq"), public_faq_path %> ·
       <%= link_to t("common.privacy"), public_privacy_path %> ·
       <%= link_to t("common.cookies"), public_cookies_path %> ·

backend/app/views/shared/_marketing_nav.html.erb

@@ -34,6 +34,7 @@
       <%= link_to t("nav.faq"), public_faq_path, class: (request.path == "/faq" ? "nav-active" : nil) %>
       <%= link_to t("nav.live"), public_live_index_path, class: (live_section ? "nav-active" : nil) %>
       <%= link_to t("nav.teams"), public_team_pages_path, class: (request.path.start_with?("/squadre") ? "nav-active" : nil) %>
+      <%= link_to t("nav.tournaments"), public_tournament_pages_path, class: (request.path.start_with?("/tornei") ? "nav-active" : nil) %>
       <div class="nav-actions">
         <% if logged_in? %>
           <% if current_user.primary_club || current_user.manageable_teams.any? %>

backend/app/views/shared/_plan_cards.html.erb

@@ -67,6 +67,7 @@
         ) %></li>
         <% if plan.slug == "premium_full" %>
           <li><%= raw t("pages.plans.cover_sponsor_html") %></li>
+          <li><%= raw t("pages.plans.tournaments_html") %></li>
         <% end %>
       </ul>
       <% if plan.slug == "premium_full" %>