First pass at admin dashboard and views

[ethanlee16]

Priority for the first pass:

• Able to navigate to /building_types/{a building type ID} to edit a questionnaire (should only be supported for RMI users
• Able to create top-level questions within a building
• For each question created, able to create dependent questions from nested plus buttons that prompt to create a new question; it should do the following:
  • Present dropdown for the trigger
  • Present dropdown for the type of question you want to create
  • Provide line for new question text

Relevant lo-fi sketches:

Update: Lo-fi wireframes: