CGP24: Train the trainer course

Entity:

• Add isForInstructor in Course entity

Form:

• Add isForInstructor checkbox only if user is admin

View:

• Instructor calendar:
  • isForInstructor set to true
  • Order by id DESC
  • Limit 1
• Normal calender
  • Ignore course with isForInstructor set to true
• Menu
  • Add menu item for instructor training calendar

ACL:

• Instructor calendar is accessed by Instructors only