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

backend/src/app.module.ts

@@ -6,6 +6,7 @@ import { InventoryModule } from './inventory/inventory.module';
 import { RecipesModule } from './recipes/recipes.module';
 import { QuickImportModule } from './quick-import/quick-import.module';
 import { PantryModule } from './pantry/pantry.module';
+import { MealPlanModule } from './meal-plan/meal-plan.module';
 
 
 @Module({
@@ -17,6 +18,7 @@ import { PantryModule } from './pantry/pantry.module';
     RecipesModule,
     QuickImportModule,
     PantryModule,
+    MealPlanModule,
   ],
 })
 export class AppModule {}