commands.spawn(AsepriteBundle {
        aseprite: asset_server.load("player.ase"),
        animation: AsepriteAnimation::from("walk"),
        transform: Transform {...},
        ..Default::default()
    });

    mod sprites {
      use bevy_aseprite::aseprite;
      aseprite!(pub Player, "player.ase");
    }

    ...

    commands.spawn(AsepriteBundle {
        aseprite: asset_server.load(sprites::Player::PATH),
        animation: AsepriteAnimation::from(sprites::Player::tags::LEFT_WALK),
        transform: Transform {...},
        ..Default::default()
    });