Expand CAWP to county level

[benhammondmusic]

Is your feature request related to a problem? Please describe.

It would be awesome to provide county level reports using the CAWP data (Women in Legislative Office).

It would display:

• Women state legislators (upper or state senate and lower or state house) by race who represent the state legislative district(s) within the selected county
• Women U.S. Congress members (U.S. Senate and U.S. House) by race who represent the congressional district(s) within the selected county

Describe the solution you'd like

Using this table we should be able to relate county: [districts] and then filter just the CAWP line items whose districts match that county districts

# Tables for relating county FIPS to US Congressional Districts
US_CONGRESS_DISTRICTS_BY_COUNTY_URL = "https://www2.census.gov/geo/relfiles/cdsld18/natl/natl_cocd_delim.txt"

Describe alternatives you've considered

This is a "nice to have" and right now the county reports just have missing data alerts