modules init/deactivate, modules migrations

app/modules/tag/TagModule.php

@@ -0,0 +1,33 @@
+<?php
+
+namespace app\modules\tag;
+
+use kernel\Module;
+use kernel\modules\menu\service\MenuService;
+
+class TagModule extends Module
+{
+
+    public MenuService $menuService;
+    public function __construct()
+    {
+        $this->menuService = new MenuService();
+    }
+
+    /**
+     * @throws \Exception
+     */
+    public function init(): void
+    {
+        $this->menuService->createItem([
+            "label" => "Тэги",
+            "url" => "/admin/tag",
+            "slug" => "tag",
+        ]);
+    }
+
+    public function deactivate(): void
+    {
+        $this->menuService->removeItemBySlug("tag");
+    }
+}

app/modules/tag/manifest.json

@@ -4,5 +4,6 @@
   "author": "ITGuild",
   "slug": "tag",
   "description": "Tags module",
-  "module_class": "TagModule"
+  "module_class": "app\\modules\\tag\\TagModule",
+  "module_class_file": "{APP}/modules/tag/TagModule.php"
 }