Retrieve related artists with similar genres

Method: GET
Path: /artists/{artistId}/related

Description

This ticket requests the implementation of a route that retrieves a list of related artists based on similar genres.

Body

{
  "artists": [
    {
      "id": 123,
      "name": "Related Artist 1"
    },
    {
      "id": 456,
      "name": "Related Artist 2"
    }
  ]
}