build: split user and data folder, moving user data to Application Support on Mac

src/lib/utility/UserPaths.h

@@ -0,0 +1,20 @@
+#ifndef USER_PATHS_H
+#define USER_PATHS_H
+
+#include <string>
+
+class UserPaths
+{
+public:
+	static std::string getUserDataPath();
+	static void setUserDataPath(const std::string& path);
+
+	static std::string getAppSettingsPath();
+	static std::string getWindowSettingsPath();
+	static std::string getLogPath();
+
+private:
+	static std::string s_userDataPath;
+};
+
+#endif // USER_PATHS_H