Commit iniziale di eminuxCRM: CRM Rails con pipeline, campagne email e Docker.

Include autenticazione, progetti isolati, mail marketing HTML con SMTP, test A/B e editor WYSIWYG.

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

app/views/imports/preview.html.erb

@@ -0,0 +1,17 @@
+<div class="space-y-4">
+  <h1 class="text-2xl font-semibold">Anteprima import</h1>
+  <div class="overflow-x-auto rounded-xl border border-zinc-200 bg-white text-zinc-900 dark:border-zinc-800 dark:bg-zinc-900 dark:text-zinc-100">
+    <table class="min-w-full text-xs">
+      <thead class="bg-slate-50">
+        <tr><% @preview[:headers].each do |h| %><th class="px-2 py-2 text-left"><%= h %></th><% end %></tr>
+      </thead>
+      <tbody>
+        <% @preview[:rows].each do |row| %>
+          <tr class="border-t"><% @preview[:headers].each do |h| %><td class="px-2 py-1"><%= row[h] %></td><% end %></tr>
+        <% end %>
+      </tbody>
+    </table>
+  </div>
+  <p class="text-sm text-slate-500">Torna indietro e conferma l'import senza anteprima per caricare i dati.</p>
+  <%= link_to "Torna all'import", new_import_path, class: "text-emerald-700 hover:underline dark:text-emerald-400" %>
+</div>