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/io/examples/test_tun_tap.cpp

@@ -0,0 +1,71 @@
+// SPDX-License-Identifier: Apache-2.0
+// Copyright 2020 - 2025 Pionix GmbH and Contributors to EVerest
+#include <atomic>
+#include <chrono>
+#include <cstdint>
+#include <cstring>
+#include <everest/io/tun_tap/tap_client.hpp>
+#include <fstream>
+#include <iomanip>
+#include <iostream>
+#include <sstream>
+#include <thread>
+
+using namespace everest::lib::io;
+using namespace std::chrono_literals;
+using generic_tun_tap = typename tun_tap::tap_client::interface;
+
+const std::string current_date_time() {
+    time_t now = time(0);
+    struct tm tstruct;
+    char buf[80];
+    tstruct = *localtime(&now);
+
+    strftime(buf, sizeof(buf), "%Y-%m-%d %X", &tstruct);
+
+    return buf;
+}
+
+std::atomic_bool on_error{false};
+
+void rx(std::vector<uint8_t> const& data, generic_tun_tap& dev) {
+    std::cout << "[ tap ] -> ";
+    for (auto elem : data) {
+        std::cout << std::setw(2) << std::setfill('0') << (uint)elem << " ";
+    }
+    std::cout << std::endl;
+}
+
+void error_fn(int err, std::string const& message, std::ostream& logger) {
+    if (err == 0) {
+        std::cerr << "ERROR: ( " << err << " ): " << message << std::endl;
+        on_error.store(false);
+    } else {
+        std::stringstream ss;
+        ss << "ERROR: ( " << err << " ): " << message << std::endl;
+
+        on_error.store(true);
+        std::cerr << ss.str() << std::endl;
+        logger << current_date_time() << "  " << ss.str() << std::endl;
+    }
+}
+
+int main() {
+    std::ofstream logfile("logfile.txt", std::ofstream::out);
+    std::cout << "hello socket_can test" << std::endl;
+    tun_tap::tap_client tap("test_tap", "172.1.1.1", "255.255.255.0", 1518);
+    tap.set_rx_handler(&rx);
+    tap.set_error_handler([&](auto err, auto msg) {
+        error_fn(err, msg, logfile);
+        if (err != 0) {
+            tap.reset();
+            on_error.store(tap.on_error());
+            std::this_thread::sleep_for(1s);
+        }
+    });
+    while (true) {
+        tap.sync();
+    }
+
+    return 0;
+}