Rewrite to a API trait.

gamenight-api-client-rs/.openapi-generator/FILES

@@ -17,6 +17,7 @@ docs/Location.md
 docs/LocationId.md
 docs/Login.md
 docs/OwnGameRequestBody.md
+docs/OwnedGame.md
 docs/Participants.md
 docs/Registration.md
 docs/RenameGameRequestBody.md
@@ -43,6 +44,7 @@ src/models/location_id.rs
 src/models/login.rs
 src/models/mod.rs
 src/models/own_game_request_body.rs
+src/models/owned_game.rs
 src/models/participants.rs
 src/models/registration.rs
 src/models/rename_game_request_body.rs