update sentences API

app.js

@@ -36,6 +36,7 @@ const gameTypeRoutes = require('./routes/gameTypeRoutes');
 const lessonRoutes = require('./routes/lessonRoutes');
 const chapterLessonRoutes = require('./routes/chapterLessonRoutes');
 const vocabRoutes = require('./routes/vocabRoutes');
+const sentencesRoutes = require('./routes/sentencesRoutes');
 const grammarRoutes = require('./routes/grammarRoutes');
 const storyRoutes = require('./routes/storyRoutes');
 const learningContentRoutes = require('./routes/learningContentRoutes');
@@ -167,6 +168,7 @@ app.get('/api', (req, res) => {
       games: '/api/games',
       gameTypes: '/api/game-types',
       vocabs: '/api/vocabs',
+      sentences: '/api/sentences',
       contexts: '/api/contexts',
       contextGuides: '/api/context-guides',
       upload: '/api/upload',
@@ -224,6 +226,7 @@ app.use('/api/games', gameRoutes);
 app.use('/api/game-types', gameTypeRoutes);
 app.use('/api/lessons', lessonRoutes);
 app.use('/api/vocabs', vocabRoutes);
+app.use('/api/sentences', sentencesRoutes);
 app.use('/api/grammar', grammarRoutes);
 app.use('/api/stories', storyRoutes);
 app.use('/api/learning-content', learningContentRoutes);