Completa i18n IT/EN/FR/DE/ES su sito pubblico, area autenticata e admin.

Tutte le view marketing, legali, viewer, dashboard e admin usano t(); mailer utente-facing e flash localizzati; admin con LocaleResolver e selettore lingua.

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

backend/app/views/public/matches/new.html.erb

@@ -1,14 +1,14 @@
-<% content_for :title, "Programma partita — #{@team.name}" %>
+<% content_for :title, t("matches.new.title", name: @team.name) %>
 <% content_for :robots, "noindex, nofollow" %>
 
 <div class="wrap" style="padding-top:20px;max-width:560px">
-  <h1>Programma partita</h1>
+  <h1><%= t("matches.new.heading") %></h1>
   <p style="color:#888"><%= @club.name %> · <strong><%= @team.name %></strong></p>
   <div class="card" style="margin-top:16px">
     <%= render "form",
           form_url: public_team_matches_path(@team),
           form_method: :post,
-          submit_label: "Salva in programma" %>
+          submit_label: t("matches.new.submit") %>
   </div>
-  <p style="margin-top:16px"><%= link_to "← Elenco partite", public_team_matches_path(@team) %></p>
+  <p style="margin-top:16px"><%= link_to t("matches.back_to_list"), public_team_matches_path(@team) %></p>
 </div>