Create a script to load data into the PostGIS database

Script to query the Census REST API, extract data interested by the projects, and load into PostGIS database.

Table 1 :

name	type	key	index
geom	geom		spatial
geoid	number	PK	index
name	varchar
level	varchar

Table 2 (SIERRA):

name	type	key	index
geoid	number	PK, FK	index
attribute	any

Table 3 (Ameren):

name	type	key	index
geoid	number	PK, FK	index
attribute	any