moved the Quizzes tab in Course section.
in the course details we have a quiz section ,accessing to all the quizzes of that course
an action button for quizzes to navigate to related course added
quiz model updated with course field
updated missing lazy text keywords for django messages in related models
updated .po file and translate the empty values in it
add a unfold translations file to keep the unfold messages whenever we run makemasseges.
Mohsen Taba
mortezaei
alireza