MovieHunt blog part2. api service add api key parameter

MovieApiService.kt

interface MovieApiService {

   @GET("movie/{list}")
   fun fetchMovieList(
       ...
       @Query("api_key") apiKey: String
   ): Single<TmdbApiResponse<MovieListResponse>>

   @GET("movie/{movieId}")
   fun fetchMovieDetail(
       ...
       @Query("api_key") apiKey: String
   ): Single<MovieDetailResponse>
}