Add Gitlab webhook

app/Locale/zh_CN/translations.php

@@ -556,8 +556,8 @@ return array(
     'Webhooks' => '网络钩子',
     'API' => '应用程序接口',
     'Integration' => '整合',
-    'Github webhook' => 'Github 网络钩子',
-    'Help on Github webhook' => 'Github 网络钩子帮助',
+    'Github webhooks' => 'Github 网络钩子',
+    'Help on Github webhooks' => 'Github 网络钩子帮助',
     'Create a comment from an external provider' => '从外部创建一个评论',
     'Github issue comment created' => '已经创建了Github问题评论',
     'Configure' => '配置',
@@ -626,4 +626,11 @@ return array(
     'Your swimlane have been created successfully.' => '已经成功创建泳道。',
     // 'Example: "Bug, Feature Request, Improvement"' => '',
     // 'Default categories for new projects (Comma-separated)' => '',
+    // 'Gitlab commit received' => '',
+    // 'Gitlab issue opened' => '',
+    // 'Gitlab issue closed' => '',
+    // 'Gitlab webhooks' => '',
+    // 'Help on Gitlab webhooks' => '',
+    // 'Integrations' => '',
+    // 'Integration with third-party services' => '',
 );