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/lib/everest/framework/include/utils/date.hpp

@@ -0,0 +1,21 @@
+// SPDX-License-Identifier: Apache-2.0
+// Copyright 2020 - 2022 Pionix GmbH and Contributors to EVerest
+#ifndef UTILS_DATE_HPP
+#define UTILS_DATE_HPP
+
+#include <date/date.h>
+#include <date/tz.h>
+
+namespace Everest {
+namespace Date {
+
+std::string to_rfc3339(const std::chrono::time_point<date::utc_clock>& t);
+
+std::chrono::time_point<date::utc_clock> from_rfc3339_slow(const std::string& t);
+
+std::chrono::time_point<date::utc_clock> from_rfc3339(const std::string& t);
+
+} // namespace Date
+} // namespace Everest
+
+#endif // UTILS_CONFIG_HPP