feat(CLI): CLI integration with CLI11

libconfig can automatically generate command line interfaces using CLI11 based on some schema

examples/cli_example.cpp

@@ -0,0 +1,33 @@
+#include "CLI/CLI.hpp"
+#include "fourdst/config/config.h"
+
+#include <string>
+#include <print>
+#include <optional>
+
+struct SubConfig{
+    int a = 0;
+    double b = 1.0;
+    std::string c = "default";
+};
+
+struct MainConfig {
+    std::string name = "example";
+    SubConfig subconfig;
+    double value = 3.14;
+    std::optional<std::string> help = std::nullopt;
+};
+
+
+int main(const int argc, char** argv) {
+    fourdst::config::Config<MainConfig> config;
+    CLI::App app("Example CLI Application with Config");
+
+    fourdst::config::register_as_cli(config, app, "cfg");
+
+    app.parse(argc, argv);
+
+    std::println("Configuration: \n{}", config);
+
+    return 0;
+}