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/fsm/examples/light_switch/context.cpp

@@ -0,0 +1,9 @@
+// SPDX-License-Identifier: Apache-2.0
+// Copyright 2023 - 2023 Pionix GmbH and Contributors to EVerest
+#include "fsm.hpp"
+
+#include <cstdio>
+
+void Context::set_brightness(int value) {
+    printf("Set brightness to %d\n", value);
+}