addin hints controller and its view
Adding validations for the hint model
modifying hintsCntroller
modify hint controller wen show view and add the route
method documentation
modify controller hint
 modify route
#212 , adjust identation and documentation
#212 adjust idenetation
adjust identation again
#212 check if the current user is not student
#212 remove line
resolve conflicts in routes
#212 ajust braces
resolve conflicts
adjust commas
adjust the seeds
 add new line
adjust comma
Merge pull request #315 from alaashafaee/C3_Mimi_212_edit_helping_test_4.13

Pull Request: C3_Mimi_212_edit_helping_test_4.13