introduce page for Admins to Create / Delete questions

[DCalliet]

Creating custom questions UI should have the following features:
Set question type - Multiple choice, short answer, enter number, check boxes (T/F)
Set question as required - True or false
Link to HUD field (or mark the question as not having a standard HUD field)

https://github.com/DCalliet/question-set

[drew-winship]

First goal:
a) Multiple options, but can only select one
b) Multiple options, but can select more than one answer

[jamesmarlowe]