Added 3 Admin API endpoints for accessing usage information
../api/admin/quizzes
../api/admin/questions
../api/admin/updatesetting
All 3 are authenticated by header param AdminApiKey, encoded secret stored in new GeneralSetting table.
On push to prod, default admin api secret should be changed using the updatesetting endpoint
Also added a new field CreationDate on the Quiz object so we can see what time the quiz was created for all new quizzes
Added 3 Admin API endpoints for accessing usage information ../api/admin/quizzes ../api/admin/questions ../api/admin/updatesetting All 3 are authenticated by header param AdminApiKey, encoded secret stored in new GeneralSetting table. On push to prod, default admin api secret should be changed using the updatesetting endpoint
Also added a new field CreationDate on the Quiz object so we can see what time the quiz was created for all new quizzes