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/applications/pionix_chargebridge/src/utilities/string.cpp

@@ -0,0 +1,59 @@
+// SPDX-License-Identifier: Apache-2.0
+// Copyright 2020 - 2026 Pionix GmbH and Contributors to EVerest
+#include <charge_bridge/utilities/string.hpp>
+#include <sstream>
+
+namespace charge_bridge::utilities {
+bool string_starts_with(std::string_view const& str, std::string_view const& pattern) {
+    return str.rfind(pattern, 0) == 0;
+}
+
+bool string_ends_with(std::string const& str, std::string const& pattern) {
+    if (pattern.size() > str.size())
+        return false;
+    return std::equal(pattern.rbegin(), pattern.rend(), str.rbegin());
+}
+
+std::string string_after_pattern(std::string_view const& str, std::string_view const& pattern) {
+    if (charge_bridge::utilities::string_starts_with(str, pattern)) {
+        return static_cast<std::string>(str.substr(pattern.length()));
+    }
+    return "";
+}
+
+std::string& replace_all_in_place(std::string& source, std::string const& placeholder, std::string const& substitute) {
+
+    if (placeholder.empty()) {
+        return source;
+    }
+
+    std::size_t start_pos = 0;
+
+    while ((start_pos = source.find(placeholder, start_pos)) != std::string::npos) {
+        source.replace(start_pos, placeholder.length(), substitute);
+        start_pos += substitute.length();
+    }
+
+    return source;
+}
+
+std::string replace_all(std::string const& source, std::string const& placeholder, std::string const& substitute) {
+    std::string result = source;
+    return replace_all_in_place(result, placeholder, substitute);
+}
+
+std::set<std::string> csv_to_set(std::string const& str) {
+    std::set<std::string> result;
+    std::stringstream ss(str);
+    std::string item;
+
+    while (std::getline(ss, item, ',')) {
+        if (!item.empty()) {
+            result.insert(item);
+        }
+    }
+
+    return result;
+}
+
+} // namespace charge_bridge::utilities