MovieRecommender Class finished

[EydenV]

MovieRecommender Class implement three key methods to pass all the tests.

1.- getFileFromResources() Method called in the constructor to obtain the movies file.

2.- setInfo() Method called in the MovieRecommender constructor to set all the info we need of the file in data structures to manage them later. Also creates a new .txt in the resource path to have the data format that FileDataModel needs.

3.- getRecommendationsForUser() This functions return a list of Strings that contains all the id's of the products that a certain user might be interested in.