Andrei Pastramagiu sixprime

## echo_prototype.cpp
#include "echo.hpp"
#include <iostream>

struct User {
    int id;
    std::string name;
    std::string email;
};

int main() {
	#include "echo.hpp"
	#include <iostream>

	struct User {
	int id;
	std::string name;
	std::string email;
	};

	int main() {