Add navigation menu items

info.xml

@@ -31,6 +31,7 @@
   </civix>
   <mixins>
     <mixin>menu-xml@1.0.0</mixin>
+    <mixin>mgd-php@1.0.0</mixin>
   </mixins>
   <classloader>
     <psr0 prefix="CRM_" path="."/>

managed/Navigation__twingle_configuration.mgd.php

@@ -0,0 +1,93 @@
+<?php
+/*
+ * Copyright (C) 2023 SYSTOPIA GmbH
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU Affero General Public License as published by
+ *  the Free Software Foundation in version 3.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Affero General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Affero General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+use CRM_Twingle_ExtensionUtil as E;
+
+return [
+  [
+    'name' => 'Navigation__twingle_configuration',
+    'entity' => 'Navigation',
+    'cleanup' => 'unused',
+    'update' => 'unmodified',
+    'params' => [
+      'version' => 4,
+      'values' => [
+        'domain_id' => 'current_domain',
+        'label' => E::ts('Twingle API Configuration'),
+        'name' => 'twingle_configuration',
+        'url' => 'civicrm/admin/settings/twingle',
+        'icon' => NULL,
+        'permission' => [
+          'administer CiviCRM',
+        ],
+        'permission_operator' => 'OR',
+        'parent_id.name' => 'CiviContribute',
+        'is_active' => TRUE,
+        'has_separator' => 0,
+      ],
+      'match' => ['name', 'parent_id'],
+    ],
+  ],
+  [
+    'name' => 'Navigation__twingle_settings',
+    'entity' => 'Navigation',
+    'cleanup' => 'unused',
+    'update' => 'unmodified',
+    'params' => [
+      'version' => 4,
+      'values' => [
+        'domain_id' => 'current_domain',
+        'label' => E::ts('Twingle API Settings'),
+        'name' => 'twingle_settings',
+        'url' => 'civicrm/admin/settings/twingle/settings',
+        'icon' => NULL,
+        'permission' => [
+          'administer CiviCRM',
+        ],
+        'permission_operator' => 'OR',
+        'parent_id.name' => 'twingle_configuration',
+        'is_active' => TRUE,
+        'has_separator' => 0,
+      ],
+      'match' => ['name', 'parent_id'],
+    ],
+  ],
+  [
+    'name' => 'Navigation__twingle_profiles',
+    'entity' => 'Navigation',
+    'cleanup' => 'unused',
+    'update' => 'unmodified',
+    'params' => [
+      'version' => 4,
+      'values' => [
+        'domain_id' => 'current_domain',
+        'label' => E::ts('Twingle API Profiles'),
+        'name' => 'twingle_profiles',
+        'url' => 'civicrm/admin/settings/twingle/profiles',
+        'icon' => NULL,
+        'permission' => [
+          'administer CiviCRM',
+        ],
+        'permission_operator' => 'OR',
+        'parent_id.name' => 'twingle_configuration',
+        'is_active' => TRUE,
+        'has_separator' => 0,
+      ],
+      'match' => ['name', 'parent_id'],
+    ],
+  ],
+];

xml/Menu/twingle.xml

@@ -6,7 +6,7 @@
     <title>Twingle API Configuration</title>
     <access_arguments>administer CiviCRM</access_arguments>
     <desc>Configure the Twingle API extension</desc>
-    <adminGroup>System Settings</adminGroup>
+    <adminGroup>CiviContribute</adminGroup>
     <icon>admin/option.png</icon>
   </item>
   <item>