Add timefix and vacation routes to backend; update frontend for new routes and page titles

backend/src/index.js

@@ -66,6 +66,14 @@ app.use('/api/time-entries', authenticateToken, timeEntriesRouter);
 const weekOverviewRouter = require('./routes/weekOverview');
 app.use('/api/week-overview', authenticateToken, weekOverviewRouter);
 
+// Timefix routes (geschützt) - MIT ID-Hashing
+const timefixRouter = require('./routes/timefix');
+app.use('/api/timefix', authenticateToken, timefixRouter);
+
+// Vacation routes (geschützt) - MIT ID-Hashing
+const vacationRouter = require('./routes/vacation');
+app.use('/api/vacation', authenticateToken, vacationRouter);
+
 // Error handling middleware
 app.use((err, req, res, next) => {
   console.error(err.stack);