Displays the lesson after creation
UC: Lesson page: link
UC: Lesson page: skeleton
UC: Lesson page: loading the lesson
UC: Lesson page: schedule
UC: Lesson page: student data
UC: Lesson page: school data
UC: Deleting a lesson: prompt
UC: Deleting a lesson: AJAX call
UC: Deleting a lesson
UC: Student enabled: added the field in the table
Adding the disabled flag to the student (in preparation of the migration of data)