سلام

برای افزودن fonte پیام زیر نمایش داده می‌شود

flutter : The term 'flutter' is not recognized as the name of a cmdlet, function, script file, or operable program. Check the spelling of the name, or if a path   

was included, verify that the path is correct and try again.

At line:1 char:1

+ flutter pub add google_fonts

+ ~~~~~~~

  + CategoryInfo     : ObjectNotFound: (flutter:String) [], CommandNotFoundException

  + FullyQualifiedErrorId : CommandNotFoundException