Duplicate entries, Touhou Games

[Alerymin]

Here are pairs of duplicate entries on Lutris website. Probably because some were generated automatically from Steam after being created by the community.

https://lutris.net/games/antinomy-of-common-flowers/
https://lutris.net/games/touhou-155-antinomy-of-common-flowers/

https://lutris.net/games/touhou-15-kanjuden-legacy-of-lunatic-kingdom/
https://lutris.net/games/touhou-15-legacy-of-lunatic-kingdom/

https://lutris.net/games/wily-beast-and-weakest-creature/
https://lutris.net/games/touhou-17-wily-beast-and-weakest-creature/

It would be interesting to have a button to report an entry as duplicate of another