Update dependencies to include TinyMCE and Quill, enhance Navigation component with a new Newsletter submenu, and implement role-based access control for CMS features. Refactor user role handling to support multiple roles and improve user management functionality across various API endpoints.

server/api/members/bulk.post.js

@@ -1,4 +1,4 @@
-import { verifyToken, getUserById } from '../../utils/auth.js'
+import { verifyToken, getUserById, hasAnyRole } from '../../utils/auth.js'
 import { readMembers, writeMembers, normalizeDate } from '../../utils/members.js'
 import { randomUUID } from 'crypto'
 
@@ -59,7 +59,7 @@ export default defineEventHandler(async (event) => {
     }
 
     // Only admin and vorstand can add members in bulk
-    if (user.role !== 'admin' && user.role !== 'vorstand') {
+    if (!hasAnyRole(user, 'admin', 'vorstand')) {
       throw createError({
         statusCode: 403,
         message: 'Keine Berechtigung zum Bulk-Import von Mitgliedern. Erforderlich: admin oder vorstand Rolle.'