[FEATURE] Adding user information to movielens

[daviddavo]

Description

Movielens has also some user demographics information

1|24|M|technician|85711
2|53|F|other|94043
3|23|M|writer|32067
4|24|M|technician|43537
5|33|F|other|15213
6|42|M|executive|98101
7|57|M|administrator|91344
8|36|M|administrator|05201
9|29|M|student|01002
10|53|M|lawyer|90703

Expected behavior with the suggested feature

Diminishing the cold-start problem with new users with models that support it.

Willingness to contribute

• Yes, I can contribute for this issue independently.
• Yes, I can contribute for this issue with guidance from Recommenders community.
• No, I cannot contribute at this time.

Other Comments

For example, this is used in Google's wide and deep model.