Update breadcrumbs to use dynamic component with new design system colors

Co-authored-by: Qwen-Coder <qwen-coder@alibabacloud.com>

app/views/components/_breadcrumb.html.erb

@@ -0,0 +1,31 @@
+<%# Dynamic breadcrumb navigation component %>
+<%# Usage: render 'components/breadcrumb', crumbs: [ %>
+<%#   { name: 'Home', path: root_path }, %>
+<%#   { name: 'Events', path: events_path }, %>
+<%#   { name: 'Current Event', path: nil } %>
+<%# ] %>
+
+<!-- Breadcrumb -->
+<nav class="inline-flex items-center gap-2 bg-white px-4 py-3 rounded-xl shadow-sm border border-gray-100 mb-8" aria-label="Breadcrumb">
+  <% crumbs.each_with_index do |crumb, index| %>
+    <% if crumb[:path].present? %>
+      <%# Crumb with link %>
+      <%= link_to crumb[:path], class: "inline-flex items-center text-sm font-medium text-gray-700 hover:text-primary-600 transition-colors duration-200" do %>
+        <% if index == 0 %>
+          <i data-lucide="home" class="w-4 h-4 mr-2"></i>
+        <% end %>
+        <%= crumb[:name] %>
+      <% end %>
+    <% else %>
+      <%# Current page (no link) %>
+      <span class="text-sm font-medium text-primary-600 truncate max-w-xs" aria-current="page">
+        <%= crumb[:name] %>
+      </span>
+    <% end %>
+    
+    <%# Separator (except for the last item) %>
+    <% if index < crumbs.length - 1 %>
+      <i data-lucide="chevron-right" class="w-4 h-4 text-gray-400"></i>
+    <% end %>
+  <% end %>
+</nav>