Add extracted tools: CitrineOS, OpenOCPP, ShapeShifter

- CitrineOS core extracted (CSMS OCPP 2.0.1)
- OpenOCPP extracted (firmware OCPP 1.6J/2.0.1)
- ShapeShifter library installed (pip install -e)
- ShapeShifter specification extracted
- EVerest extracted

TODO updated with progress

tools/EVerest-main/modules/Misc/Linux_Systemd_Rauc/diagnostics_handler.hpp

@@ -0,0 +1,58 @@
+// SPDX-License-Identifier: Apache-2.0
+// Copyright 2020 - 2025 Pionix GmbH and Contributors to EVerest
+
+#ifndef DIAGNOSTICS_HANDLER_HPP
+#define DIAGNOSTICS_HANDLER_HPP
+
+#include <optional>
+#include <string>
+
+namespace module {
+
+class DiagnosticsHandler {
+protected:
+    std::string script_dir;
+    std::string ocpp_dir;
+    std::string session_dir;
+
+public:
+    enum class log_result_t {
+        success,
+        error,
+        error_file,
+        error_parameter,
+    };
+    DiagnosticsHandler() = delete;
+    DiagnosticsHandler(const std::string& scriptDir, const std::string& ocppDir, const std::string& sessionDir) :
+        script_dir(scriptDir), ocpp_dir(ocppDir), session_dir(sessionDir) {
+    }
+    log_result_t create_log(const std::string& filename, const std::optional<std::string>& from,
+                            const std::optional<std::string>& to);
+
+protected:
+    log_result_t create_journal_log(int fd, const std::optional<std::string>& from,
+                                    const std::optional<std::string>& to) {
+        return collect_logs(fd, "journal", std::nullopt, from, to);
+    }
+    log_result_t create_ocpp_log(int fd, const std::optional<std::string>& from, const std::optional<std::string>& to) {
+        return collect_logs(fd, "ocpp", ocpp_dir, from, to);
+    }
+    log_result_t create_session_log(int fd, const std::optional<std::string>& from,
+                                    const std::optional<std::string>& to) {
+        return collect_logs(fd, "session", session_dir, from, to);
+    }
+
+    /// @brief collect logs between two optional dates
+    /// @param fd - the file descriptor to write the logs to
+    /// @param logType - journal/ocpp/session
+    /// @param logDir - directory location for OCPP and session logs
+    /// @param from - format: "yyyy-mm-dd hh:mm"
+    /// @param to - format: "yyyy-mm-dd hh:mm"
+    /// @return result
+    log_result_t collect_logs(int fd, const char* logType, const std::optional<std::string>& logDir,
+                              const std::optional<std::string>& from, const std::optional<std::string>& to);
+};
+
+} // namespace module
+
+#endif // DIAGNOSTICS_HANDLER_HPP