「✨」 feat(ex00): bitcoin exchange should work :D

ex00/main.cpp

@@ -2,6 +2,20 @@
 
 int	main(int argc, char **argv)
 {
-	(void) argc;
-	(void) argv;
+	if (argc < 2)
+	{
+		std::cout << "Error: could not open file." << std::endl;
+		return 1;
+	}
+	BitcoinExchange btc;
+	try
+	{
+		btc.str(argv[1]);
+	}
+	catch (std::runtime_error &e)
+	{
+		std::cout << e.what() << std::endl;
+		return 1;
+	}
+	return 0;
 }