calendar and vehicle booking rework

backend/src/app.ts

@@ -103,6 +103,7 @@ import bannerRoutes         from './routes/banner.routes';
 import permissionRoutes     from './routes/permission.routes';
 import ausruestungsanfrageRoutes from './routes/ausruestungsanfrage.routes';
 import issueRoutes             from './routes/issue.routes';
+import buchungskategorieRoutes from './routes/buchungskategorie.routes';
 
 app.use('/api/auth',        authRoutes);
 app.use('/api/user',        userRoutes);
@@ -128,6 +129,7 @@ app.use('/api/banners',        bannerRoutes);
 app.use('/api/permissions',    permissionRoutes);
 app.use('/api/ausruestungsanfragen', ausruestungsanfrageRoutes);
 app.use('/api/issues',            issueRoutes);
+app.use('/api/buchungskategorien', buchungskategorieRoutes);
 
 // Static file serving for uploads (authenticated)
 const uploadsDir = process.env.NODE_ENV === 'production' ? '/app/uploads' : path.resolve(__dirname, '../../uploads');