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/EVSE/EvseManager/v2gMessage.cpp

@@ -0,0 +1,34 @@
+// SPDX-License-Identifier: Apache-2.0
+// Copyright 2020 - 2022 Pionix GmbH and Contributors to EVerest
+#include "v2gMessage.hpp"
+
+#include <chrono>
+#include <date/date.h>
+#include <date/tz.h>
+
+#include <fmt/core.h>
+
+namespace module {
+
+v2g_message::v2g_message() {
+}
+
+bool v2g_message::from_xml(const std::string& xml) {
+    return doc.load_string(xml.c_str());
+}
+
+std::string v2g_message::to_xml() {
+    std::stringstream ss;
+    doc.save(ss);
+    return ss.str();
+}
+
+void v2g_message::from_json(const std::string& json_str) {
+    j = nlohmann::json::parse(json_str);
+}
+
+std::string v2g_message::to_json() {
+    return j.dump(4);
+}
+
+} // namespace module