Activate the Reviews module

[Xperez (Xabier Pérez Fernández)]

I will reply myself in case anyone finish in this post: CourseTalk integration is deprecated (that will al know) BUT there is no intention in developing any other review system as we can see:

This has been announced recently (March 2020).

Deprecation/Removal: Course Reviews/CourseTalk (DEPR-48)

Hi there, We plan to deprecate and remove the course reviews feature and previous CourseTalk integration. We are targeting removal after April 14, 2020. Please read https://openedx.atlassian.net/browse/DEPR-48 for more information and to post any questions/comments. The proposed deadline for comments before acceptance is April 7, 2020. Thanks, Diana

https://openedx.atlassian.net/browse/DEPR-48