plotly#6676: add 'decimal' and 'thousands' formats for brazilian portuguese locale

Author: pazuza

lib/locales/pt-br.js

@@ -78,6 +78,8 @@ module.exports = {
             'Jan', 'Fev', 'Mar', 'Abr', 'Mai', 'Jun',
             'Jul', 'Ago', 'Set', 'Out', 'Nov', 'Dez'
         ],
-        date: '%d/%m/%Y'
+        date: '%d/%m/%Y',
+        decimal: ',',
+        thousands: '.'
     }
 };