new: add `duplicate` button for articles

resources/views/layout/contentheader.blade.php

@@ -1,9 +1,9 @@
 <div class="content-header pt-2 pb-1">
     <div class="container-fluid">
         <div class="row mb-2 align-items-center">
-            <div class="col-sm-6">
+            <div class="col-sm-8">
                 <div class="d-flex align-items-center flex-wrap">
-                    <h1 class="m-0 text-dark d-flex align-items-center">
+                    <h1 class="m-0 text-dark d-flex align-items-center flex-grow-1">
                         {{ $title ?? null}}
                         @isset($subtitle)
                             <small class="font-weight-light ml-1 text-md">{{ $subtitle }}</small>
@@ -12,7 +12,7 @@
                     @stack('header-actions')
                 </div>
             </div>
-            <div class="col-sm-6">
+            <div class="col-sm-4">
                 <ol class="breadcrumb float-sm-right text-sm">
                     <li class="breadcrumb-item">
                         <a href="{{ route('boilerplate.dashboard') }}">

resources/views/layout/index.blade.php

@@ -94,6 +94,18 @@
 
     @stack('scripts')
     @stack('js')
+    <script>
+        document.addEventListener('DOMContentLoaded', function() {
+            document.querySelectorAll('.form-buttons .duplicate').forEach(function(btn) {
+                btn.addEventListener('click', function() {
+                    var url = this.dataset.url || this.getAttribute('data-url');
+                    if (url) {
+                        window.location = url;
+                    }
+                });
+            });
+        });
+    </script>
 
 </body>