Reorganize notebooks

[npr99]

Hierarchical branch

[npr99]

[npr99]

Use In-CORE Flow chart
Section 1: Initial Community Description
Chapter 1 (Buildings + Population) - This is a notebook that explores the building and population data
Chapter 1.1 - Residential Building inventory just for the island
-- output Housing unit allocation file version 1 .csv file
Chapter 1.2 - New building inventory for county that has all buildings
-- output Housing unit allocation file version 2 .csv file
Chapter 2 Economic overview (a place holder for now - see if CGE is ready)
Chapter 3-6 Built Environment - preview of all the available inventories (could be markdown). Electric power, water, transportation.

Section 2a: Hazard Models
-- do these produce an output file saved locally or do they save data in memory
-- might need to include the hazard and damage models in one notebook
Section 2b: Damage Models

Section 2c: