add raw data table for usaspending and its import script
usaspendingassistanceraw model: fix cfda program number field name
remove hard-coded field names
add script for reading in, aggregating, and writing out usaspending archive files
cleanup country, state, county codes & set to null where appropriate. change model to allow nulls for state and county codes
add model and import script for catalog of federal domestic assistance data; needs a lot of cleanup, but should be usable
standardize code used for missing/unknown cfda programs to 99.999
add unique key to cfda program number
fix code that inserts a record for missing program ('99.999')
add models and load script for county and state-level usaspending aggregates
add api endpoints for cfda and usaspending state/county
add fabric tasks for creating, importing, and loading usaspending assistance data
add fab tasks for import and loading catalog of federal domestic assistance
actually, there is no load script for cfda, so remove that fab task