[Feature] Add label for weekly free Epic store games

[qequ]

There is a public API endpoint that returns information of the free game of the week

https://store-site-backend-static.ak.epicgames.com/freeGamesPromotions?country=${country}

There is also libraries https://github.com/AuroPick/epic-free-games

[alike03]

I wasn't aware of this. Thanks.
But currently I am not planing any enhancements, since I'm busy with other projects.