refactor game state

src/constants.rs

src/game.rs

src/main.rs

src/player_examples.rs

src/scene/construction.rs

src/simulation/ball_state.rs

src/simulation/court.rs

src/simulation/formation_handler.rs

src/simulation/game_state.rs

src/simulation/mod.rs

src/simulation/outcome_resolver.rs

src/simulation/player/agent.rs

src/simulation/player/agent_state.rs

src/simulation/player/player_body.rs

src/utility/frame.rs

src/utility/position.rs