实现串口监控功能，重构 ComKit::Work 方法以支持指定端口

include/ComWatch.h

@@ -0,0 +1,28 @@
+#ifndef COMWATCH_H
+#include "serial.h"
+#include "spdlog/spdlog.h"
+#include <functional>
+#include <string>
+#include <mutex>
+#include <thread>
+
+enum class SIGNAL_TYPE{
+    REMOVE_,
+    ADD_,
+};
+
+class SerialWatch {
+private:
+    std::function<void(const std::string&, SIGNAL_TYPE type)> callback; 
+    std::jthread work_thread;
+    std::stop_source s;
+    std::mutex m;
+public:
+    SerialWatch() = default;
+    ~SerialWatch();
+    void set_callback(std::function<void(const std::string&, SIGNAL_TYPE type)> func);
+    void work();
+    
+};
+
+#endif // !COMWATCH_H