feat: implement meal planning feature with CRUD operations and UI integration

backend/src/meal-plan/meal-plan.module.ts

@@ -0,0 +1,11 @@
+import { Module } from '@nestjs/common';
+import { MealPlanController } from './meal-plan.controller';
+import { MealPlanService } from './meal-plan.service';
+import { PrismaModule } from '../prisma/prisma.module';
+
+@Module({
+  controllers: [MealPlanController],
+  providers: [MealPlanService],
+  imports: [PrismaModule],
+})
+export class MealPlanModule {}