fix default ranges export (#196)

Author: mkg0

src/index.js

@@ -2,4 +2,4 @@ export { default as DateRange } from './components/DateRange';
 export { default as Calendar } from './components/Calendar';
 export { default as DateRangePicker } from './components/DateRangePicker';
 export { default as DefinedRange } from './components/DefinedRange';
-export { inputRanges, staticRanges, createStaticRanges } from './defaultRanges';
+export { defaultInputRanges, defaultStaticRanges, createStaticRanges } from './defaultRanges';