Initial Nuxt frontend import

- Complete GGZ Ecademy Nuxt.js user portal
- Learning products browser and management
- Member management interface
- User authentication and roles
- Multi-language support (NL/EN)
- Vuex store for state management
- Component-based architecture

types/typedefs/store.js

@@ -0,0 +1,5 @@
+/**
+ * @typedef {import('vuex').ActionTree<typeof state>} ActionTree
+ */
+
+exports.unused = {};