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

store/snackbar.js

@@ -0,0 +1,15 @@
+export const state = () => ({
+    color: '',
+    content: '',
+    icon: '',
+    errors: []
+})
+
+export const mutations = {
+    showMessage(state, payload) {
+        state.content = payload.content
+        state.color = payload.color
+        state.icon = payload.icon;
+        state.errors = payload.errors;
+    }
+}