Judgment of the Court of 16 November 2018 in Case E-8/17 — Henrik Kristoffersen v The Norwegian Ski Federation (Norges Skiforbund), supported by the Norwegian Olympic and Paralympic Committee and Confederation of Sports (Norges idrettsforbund og olympiske og paralympiske komité) (Freedom to provide services — Article 36 EEA — Directive 2006/123/EC — Professional athletes — Sports associations — Marketing rights — Restriction — Proportionality — Suitability — Necessity)