feat(extensions): 新增系统工具页面与前台投稿分片上传

src/Admin/Schema/SchemaExtensions.php

@@ -14,10 +14,11 @@ class SchemaExtensions {
             'domain'   => 'extensions',
             'title'    => '扩展&增强',
             'sections' => [
-                'ip'        => SchemaExtensionsIP::build(),
-                'audit'     => SchemaExtensionsAudit::build(),
-                'push'      => SchemaExtensionsPush::build(),
-                'security'  => SchemaExtensionsSecurity::build(),
+                'system'   => SchemaExtensionsSystem::build(),
+                'ip'       => SchemaExtensionsIP::build(),
+                'audit'    => SchemaExtensionsAudit::build(),
+                'push'     => SchemaExtensionsPush::build(),
+                'security' => SchemaExtensionsSecurity::build(),
             ],
         ];
     }