Use elimination config from file instead of hardcoded #30

rc_core/src/persist/config/cubes_json.rs

@@ -304,6 +304,10 @@ impl <C: Clone + Send> super::ConfigProvider<C> for CubeConfig {
         }
     }
 
+    fn gamemodes(&self) -> crate::data::game_mode::GameModeConfigs {
+        self.battle.games.clone().into()
+    }
+
     fn singleplayer_details(&self) -> super::SingleplayerConfig {
         self.battle.singleplayer.into_singleplayer_conf()
     }

rc_core/src/persist/config/traits.rs

@@ -25,6 +25,7 @@ pub trait ConfigProvider<C: Clone> {
     fn cubes(&self) -> &'_ std::collections::HashMap<String, crate::persist::Cube>;
     fn chat_system_config(&self) -> ChatSystemConfig;
     fn gamemode_events(&self) -> GameEventSequence;
+    fn gamemodes(&self) -> crate::data::game_mode::GameModeConfigs; // FIXME
     fn singleplayer_details(&self) -> SingleplayerConfig;
     fn players_per_game(&self) -> usize;
     fn is_multiplayer_enabled(&self) -> bool;