Support multiple and custom levels

src/color.hpp

@@ -0,0 +1,16 @@
+#include <iostream>
+
+enum class Color {
+    RESET = 0,
+    BRIGHT_BLACK= 90,
+    BRIGHT_RED= 91,
+    BRIGHT_GREEN= 92,
+    BRIGHT_YELLOW= 93,
+    BRIGHT_BLUE= 94,
+    BRIGHT_MAGENTA= 95,
+    BRIGHT_CYAN= 96,
+    BRIGHT_WHITE= 97
+};
+std::ostream& operator<<(std::ostream& os, Color color) {
+    return os << "\033[" << static_cast<int>(color) << "m";
+}