ceo: 完成configs迁移和main.rs插件注册

- 从旧项目复制dog_state_machine.json和cat_state_machine.json
- 实现main.rs完整插件注册（screen, wifi, video, ble, http）
- 添加命令行参数支持（--config, --validate）
- 实现Ctrl+C优雅退出
- 添加ctrlc依赖

Cargo.toml

@@ -9,6 +9,7 @@ anyhow = "1"
 serde = { version = "1", features = ["derive"] }
 serde_json = "1"
 rand = "0.8"
+ctrlc = "3"
 
 # 跨平台插件依赖
 opencv = { version = "0.66", default-features = false, features = ["highgui", "imgproc", "videoio"] }