refactor: improve breadcrumb

Author: mrholek

src/pug/_partials/breadcrumb.pug

@@ -1,8 +1,16 @@
-// Breadcrumb
-nav(aria-label="breadcrumb")
-  ol.breadcrumb.my-0.ms-2
-    li.breadcrumb-item Home
-    li.breadcrumb-item
-      a(href="#") Admin
-    li.breadcrumb-item.active Dashboard
-  
+mixin breadcrumb(items, last)
+  // Breadcrumb
+  nav(aria-label="breadcrumb")
+    ol.breadcrumb.my-0.ms-2
+      each item in items
+        li.breadcrumb-item
+          // if breadcrumb is single
+          if (items.length === 1)
+            span= item
+          else
+            a(href="#")= item
+
+      if last
+        li.breadcrumb-item.active
+          span= last
+      else