Add all the files

src/config/PermanentStorage.h

@@ -0,0 +1,27 @@
+#pragma once
+
+// disabled by config
+class PSDisabledException : public std::runtime_error
+{
+public:
+	PSDisabledException()
+		: std::runtime_error("permanent storage is disabled by user") {}
+};
+
+class PermanentStorage
+{
+public:
+	PermanentStorage();
+	~PermanentStorage();
+
+	void ClearAllFiles() const;
+	// flags storage to be removed on destruction
+	void RemoveStorage();
+
+	void WriteStringToFile(std::string_view filename, std::string_view content);
+	std::string ReadFile(std::string_view filename) noexcept;
+	
+private:
+	fs::path m_storage_path;
+	bool m_remove_storage = false;
+};