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/EvseManager/PersistentStore.hpp

@@ -0,0 +1,33 @@
+// SPDX-License-Identifier: Apache-2.0
+// Copyright 2020 - 2021 Pionix GmbH and Contributors to EVerest
+
+/*
+ The Persistent Store class is an abstraction layer to store any persistent information
+ (such as sessions) for the EvseManager.
+*/
+
+#ifndef EVSE_MANAGER_PERSISTENT_STORE_H_
+#define EVSE_MANAGER_PERSISTENT_STORE_H_
+
+#include <generated/interfaces/kvs/Interface.hpp>
+
+namespace module {
+
+class PersistentStore {
+public:
+    // We need the r_bsp reference to be able to talk to the bsp driver module
+    explicit PersistentStore(const std::vector<std::unique_ptr<kvsIntf>>& r_store, const std::string module_id);
+
+    void store_session(const std::string& session_uuid);
+    void clear_session();
+    std::string get_session();
+
+private:
+    const std::vector<std::unique_ptr<kvsIntf>>& r_store;
+    std::string session_key;
+    bool active{false};
+};
+
+} // namespace module
+
+#endif // EVSE_MANAGER_PERSISTENT_STORE_H_