added gitignore
added gitignore

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