Aggiunge annunci in-app/sito, contatti e migliora UI copertina sul portale.

Include admin/API/banner nativi, form contatti e reset copertina standard con layout edit più ampio.

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

backend/app/views/public/clubs/edit.html.erb

@@ -1,7 +1,7 @@
 <% content_for :title, t("club.edit.title", name: @club.name) %>
 <% content_for :robots, "noindex, nofollow" %>
 
-<div class="wrap" style="padding-top:20px;max-width:560px">
+<div class="wrap wrap--portal" style="padding-top:20px">
   <h1><%= t("club.edit.heading") %></h1>
   <div class="card">
     <%= form_with url: public_club_path(@club), method: :patch, multipart: true do %>