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/HardwareDrivers/PowerMeters/DZG_GSH01/Timeout.hpp

@@ -0,0 +1,31 @@
+// SPDX-License-Identifier: Apache-2.0
+// Copyright 2020 - 2025 Pionix GmbH and Contributors to EVerest
+
+#ifndef TIMEOUT_HPP
+#define TIMEOUT_HPP
+
+#include <chrono>
+using namespace std::chrono;
+
+/*
+ Simple helper class for a timeout
+*/
+
+class Timeout {
+public:
+    explicit Timeout(milliseconds _t) : t(_t), start(steady_clock::now()) {
+    }
+
+    bool reached() {
+        if ((steady_clock::now() - start) > t)
+            return true;
+        else
+            return false;
+    }
+
+private:
+    milliseconds t;
+    time_point<steady_clock> start;
+};
+
+#endif