feat: 新增饮食记录模块，含增删改查及营养汇总功能

src/app.module.ts

@@ -15,6 +15,7 @@ import { ExercisesModule } from './exercises/exercises.module';
 import { WorkoutsModule } from './workouts/workouts.module';
 import { MoodCheckinsModule } from './mood-checkins/mood-checkins.module';
 import { GoalsModule } from './goals/goals.module';
+import { DietRecordsModule } from './diet-records/diet-records.module';
 
 @Module({
   imports: [
@@ -35,6 +36,7 @@ import { GoalsModule } from './goals/goals.module';
     WorkoutsModule,
     MoodCheckinsModule,
     GoalsModule,
+    DietRecordsModule,
   ],
   controllers: [AppController],
   providers: [AppService],