minor fix

src/movies.controller.ts

@@ -10,7 +10,7 @@ import {
 import { ApiPropertyOptional } from '@nestjs/swagger';
 import { Type } from 'class-transformer';
 import { IsIn, IsInt, IsOptional, IsString, Length } from 'class-validator';
-import { EnrichedDataService } from './types';
+import { EnrichedDataService, MovieData } from './types';
 
 const ENTRY_TYPES = ['movie', 'series', 'episode'] as const;
 
@@ -90,7 +90,7 @@ export class MoviesController {
     ) {}
 
     @Get()
-    searchMovies(@Query() query: SearchDto) {
+    searchMovies(@Query() query: SearchDto): MovieData[] {
         if (!Object.values(query).some((filterValue) => filterValue)) {
             throw new BadRequestException('Query should not be empty');
         }
@@ -100,7 +100,7 @@ export class MoviesController {
     }
 
     @Get(':id')
-    getMovie(@Param('id') id: string) {
+    getMovie(@Param('id') id: string): MovieData {
         const result = /^\d+$/.test(id)
             ? this.enrichedDataService.getMetadataByInternalId(parseInt(id, 10))
             : this.enrichedDataService.getMetadataByImdbId(id);