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/shared/_logo.html.erb

@@ -0,0 +1,27 @@
+<% size = local_assigns.fetch(:size, :md) %>
+<% variant = local_assigns.fetch(:variant, :full) %>
+<% mark_class = { xs: "size-6", sm: "size-7", md: "size-8", lg: "size-10", xl: "size-12" }.fetch(size) %>
+<% show_wordmark = variant != :mark %>
+
+<% mark = capture do %>
+  <span class="inline-flex <%= mark_class %> shrink-0 items-center justify-center rounded-lg bg-zinc-900 text-white dark:bg-zinc-100 dark:text-zinc-950" aria-hidden="true">
+    <svg viewBox="0 0 24 24" class="size-[62%]" fill="none" stroke="currentColor" stroke-width="2.4" stroke-linecap="round">
+      <path d="M17.2 8.15a6.85 6.85 0 1 0 0 7.7" />
+      <path d="M6.4 12h11.1" />
+    </svg>
+  </span>
+<% end %>
+
+<% if show_wordmark %>
+  <span class="inline-flex items-center gap-2.5">
+    <%= mark %>
+    <span class="leading-tight">
+      <span class="block text-[15px] font-semibold tracking-tight">eminux<span class="font-medium text-zinc-400">CRM</span></span>
+      <% if local_assigns[:subtitle].present? %>
+        <span class="block text-xs font-normal text-zinc-500"><%= subtitle %></span>
+      <% end %>
+    </span>
+  </span>
+<% else %>
+  <%= mark %>
+<% end %>