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/API/RpcApi/helpers/LimitDecimalPlaces.hpp

@@ -0,0 +1,13 @@
+// SPDX-License-Identifier: Apache-2.0
+// Copyright chargebyte GmbH and Contributors to EVerest
+#ifndef LIMIT_DECIMAL_PLACES_HPP
+#define LIMIT_DECIMAL_PLACES_HPP
+
+#include <nlohmann/json.hpp>
+
+namespace helpers {
+double round_double(double value, int precision = 3);
+void round_floats_in_json(nlohmann::json& j, int precision = 3);
+} // namespace helpers
+
+#endif // LIMIT_DECIMAL_PLACES_HPP