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/Auth/include/ConnectorStateMachine.hpp

@@ -0,0 +1,45 @@
+// SPDX-License-Identifier: Apache-2.0
+// Copyright Pionix GmbH and Contributors to EVerest
+
+#ifndef _CONNECTOR_STATE_MACHINE_HPP_
+#define _CONNECTOR_STATE_MACHINE_HPP_
+
+#include <memory>
+#include <string>
+
+namespace module {
+
+enum class ConnectorEvent {
+    ENABLE,
+    DISABLE,
+    ERROR_CLEARED,
+    FAULTED,
+    TRANSACTION_STARTED,
+    SESSION_FINISHED
+};
+
+/// @warning Do not change the order of ConnectorState, or if you do it, fix the code in ReservationHandler.
+enum class ConnectorState {
+    AVAILABLE,
+    UNAVAILABLE,
+    FAULTED,
+    OCCUPIED,
+    UNAVAILABLE_FAULTED,
+    FAULTED_OCCUPIED
+};
+
+class ConnectorStateMachine {
+public:
+    explicit ConnectorStateMachine(ConnectorState initial_state);
+
+    bool handle_event(ConnectorEvent event);
+
+    ConnectorState get_state() const;
+
+private:
+    ConnectorState state;
+};
+
+} // namespace module
+
+#endif //_CONNECTOR_STATE_MACHINE_HPP_