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/Misc/YamlStore/main/kvsImpl.cpp

@@ -0,0 +1,51 @@
+// SPDX-License-Identifier: Apache-2.0
+// Copyright Pionix GmbH and Contributors to EVerest
+
+#include "kvsImpl.hpp"
+#include <filesystem>
+#include <string>
+#include <utils/yaml_loader.hpp>
+#include <variant>
+
+namespace module {
+namespace main {
+
+void kvsImpl::init() {
+    auto kv_file_path = std::filesystem::path(mod->config.file);
+
+    try {
+        data = Everest::load_yaml(kv_file_path);
+    } catch (const std::exception& err) {
+        EVLOG_error << "Error parsing YAML file at " << mod->config.file << ": " << err.what();
+    }
+}
+
+void kvsImpl::ready() {
+}
+
+void kvsImpl::handle_store(std::string& key,
+                           std::variant<std::nullptr_t, Array, Object, bool, double, int, std::string>& value) {
+    // this is a read-only kvs - do nothing but prevent compiler warnings about unused parameters
+    (void)key;
+    (void)value;
+}
+
+std::variant<std::nullptr_t, Array, Object, bool, double, int, std::string> kvsImpl::handle_load(std::string& key) {
+    if (data.contains(key)) {
+        std::string value{data[key]};
+        return value;
+    }
+    return nullptr;
+}
+
+void kvsImpl::handle_delete(std::string& key) {
+    // this is a read-only kvs - do nothing but prevent compiler warnings about unused parameters
+    (void)key;
+}
+
+bool kvsImpl::handle_exists(std::string& key) {
+    return data.contains(key);
+}
+
+} // namespace main
+} // namespace module