MR.yaml in countries-5.7.0

- old
+ new

@@ -3,9 +3,10 @@
   alpha2: MR
   alpha3: MRT
   continent: Africa
   country_code: '222'
   currency_code: MRU
+  distance_unit: KM
   gec: MR
   geo:
     latitude: 21.00789
     longitude: -10.940835
     max_latitude: 27.3158916