[openaddresses] adding units to Denver

resources/parser/data_sets/openaddresses.yaml

@@ -2228,6 +2228,10 @@ countries:
                           state_district: Conejos County
                     - filename: delta.csv
                     - filename: denver.csv
+                      fields: *fields_with_unit
+                      non_numeric_units: true
+                      ignore_fields_containing:
+                          unit: *ignore_simple_units
                       add_osm_boundaries: true
                       city_replacements:
                           city: Denver