docs: cpp,client,frontends (4 files)

frontends/cli/src/utils/http_client.h

@@ -0,0 +1,19 @@
+#pragma once
+
+#include <cpr/cpr.h>
+#include <string>
+
+class HttpClient {
+public:
+  explicit HttpClient(std::string base_url);
+
+  cpr::Response get(const std::string &path) const;
+  cpr::Response post(const std::string &path,
+                     const std::string &body,
+                     const std::string &content_type = "application/json") const;
+
+  [[nodiscard]] const std::string &base_url() const noexcept;
+
+private:
+  std::string base_url_;
+};