You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: main.rs
    path of file: ./repos/bevy_xpbd/crates/bevy_xpbd_2d/examples/kinematic_character_2d
    
    the code of the file until where you have to start completion: //! A basic implementation of a character controller for a kinematic rigid body.
//!
//! This showcases the following:
//!
//! - Basic directional movement and jumping
//! - Support for both keyboard and gamepad input
//! - A configu
    
fn main() {
    App::new()
        .add_plugins((
            DefaultPlugins,
            PhysicsPlugins::default(),
            CharacterControllerPlugin,
        ))
        .insert_resource(ClearColor(Color::rgb(0.05, 0.05, 0.1)))
        .insert_resource(Gravity(Vector::NEG_Y * 1000.0))
        .add_systems(Startup, setup)
        .run();
}