[feat] add PathManager class in order to manage config/log/cache file path

src/path_manager/path_manager.h

@@ -0,0 +1,42 @@
+/*
+ * @Author: DI JUNKUN
+ * @Date: 2025-07-16
+ * Copyright (c) 2025 by DI JUNKUN, All Rights Reserved.
+ */
+
+#ifndef _PATH_MANAGER_H_
+#define _PATH_MANAGER_H_
+
+#include <filesystem>
+#include <string>
+#ifdef _WIN32
+#include <shlobj.h>
+#include <windows.h>
+#endif
+
+class PathManager {
+ public:
+  explicit PathManager(const std::string& app_name);
+
+  std::filesystem::path GetConfigPath();
+
+  std::filesystem::path GetCachePath();
+
+  std::filesystem::path GetLogPath();
+
+  bool CreateDirectories(const std::filesystem::path& p);
+
+ private:
+#ifdef _WIN32
+  std::filesystem::path GetKnownFolder(REFKNOWNFOLDERID id);
+#endif
+
+  std::string GetHome();
+  std::filesystem::path GetEnvOrDefault(const char* env_var,
+                                        const std::string& def);
+
+ private:
+  std::string app_name_;
+};
+
+#endif