NE.yaml in countries-5.7.0

- old
+ new

@@ -3,9 +3,10 @@
   alpha2: NE
   alpha3: NER
   continent: Africa
   country_code: '227'
   currency_code: XOF
+  distance_unit: KM
   gec: NG
   geo:
     latitude: 17.607789
     longitude: 8.081666
     max_latitude: 23.4999997