fixed file question acceptedTypes doc
fixed file question acceptedTypes doc

dmitrykurmanov/surveyjs,andrewtelnov/surveyjs,surveyjs/surveyjs,surveyjs/surveyjs,dmitrykurmanov/surveyjs,dmitrykurmanov/surveyjs,surveyjs/surveyjs,andrewtelnov/surveyjs,andrewtelnov/surveyjs,surveyjs/surveyjs,dmitrykurmanov/surveyjs