Add C++ to list of detectable languages
Add C++ to list of detectable languages

hosein2398/lang-detector,hosein2398/lang-detector,ts95/lang-detector,ts95/lang-detector,hosein2398/lang-detector,ts95/lang-detector,ts95/lang-detector,ts95/lang-detector,ts95/lang-detector,hosein2398/lang-detector,hosein2398/lang-detector,hosein2398/lang-detector,ts95/lang-detector,ts95/lang-detector,ts95/lang-detector,hosein2398/lang-detector,hosein2398/lang-detector,hosein2398/lang-detector