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/OCPP201/tests/ocpp_conversions_test.cpp

@@ -0,0 +1,36 @@
+// SPDX-License-Identifier: Apache-2.0
+// Copyright Pionix GmbH and Contributors to EVerest
+
+#include <gtest/gtest.h>
+
+#include <ocpp_generic/ocppImpl.hpp>
+
+namespace {
+using namespace module::ocpp_generic;
+
+TEST(MonitorList, insert) {
+    // check that duplicates are avoided
+    ocppImpl::MonitorList list;
+
+    ocppImpl::MonitorListEntry entryA{{"Component"}, {"Variable"}};
+    ocppImpl::MonitorListEntry entryB{{"Component"}, {"Variable", "Instance"}};
+
+    auto result = list.insert(entryA);
+    EXPECT_TRUE(std::get<bool>(result));
+    result = list.insert(entryB);
+    EXPECT_TRUE(std::get<bool>(result));
+    ASSERT_EQ(list.size(), 2);
+
+    // attempt to add same object again
+    result = list.insert(entryB);
+    EXPECT_FALSE(std::get<bool>(result));
+    ASSERT_EQ(list.size(), 2);
+
+    // attempt to add new object with same values
+    ocppImpl::MonitorListEntry entryC{{"Component"}, {"Variable"}};
+    result = list.insert(entryC);
+    EXPECT_FALSE(std::get<bool>(result));
+    ASSERT_EQ(list.size(), 2);
+}
+
+} // namespace